{"id":10533,"date":"2021-10-12T07:30:49","date_gmt":"2021-10-12T07:30:49","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=10533"},"modified":"2026-04-13T07:18:03","modified_gmt":"2026-04-13T07:18:03","slug":"aluminium-granular-flux","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/ar\/aluminium-granular-flux\/","title":{"rendered":"How to Use Aluminium Granular Flux: Comprehensive Guide for Foundries"},"content":{"rendered":"<div class=\"flex flex-col text-sm pb-25\">\n<section class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:6c3c9fe3-85fe-4f4f-a2e8-67882d32b5ad-33\" data-testid=\"conversation-turn-20\" data-scroll-anchor=\"true\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\">\n<div class=\"flex max-w-full flex-col gap-4 grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+&amp;]:mt-1\" dir=\"auto\" tabindex=\"0\" data-message-author-role=\"assistant\" data-message-id=\"fccc9389-e480-4b4a-9d3c-1b83eeae8993\" data-message-model-slug=\"gpt-5-3-mini\" data-turn-start-message=\"true\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden\">\n<div class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\">\n<p data-start=\"184\" data-end=\"482\">Achieving <strong data-start=\"194\" data-end=\"228\">high-quality aluminum castings<\/strong> requires more than selecting the right alloy or designing the mold correctly. Controlling <strong data-start=\"319\" data-end=\"393\">hydrogen content, oxide inclusions, alkali metals, and surface quality<\/strong> is critical. One of the most effective solutions is using <strong data-start=\"452\" data-end=\"479\">Aluminium Granular Flux<\/strong>.<\/p>\n<p data-start=\"484\" data-end=\"727\">At <strong data-start=\"487\" data-end=\"497\">AdTech<\/strong>, we offer a full range of <strong data-start=\"524\" data-end=\"543\">granular fluxes<\/strong>, including <strong data-start=\"555\" data-end=\"626\">oxide removal flux, tundish flux, refining flux, and degassing flux<\/strong>, designed to optimize molten aluminum, enhance casting quality, and improve production efficiency.<\/p>\n<p data-start=\"729\" data-end=\"849\">This guide provides a <strong data-start=\"751\" data-end=\"776\">step-by-step approach<\/strong>, real-world examples, and practical safety considerations for foundries.<\/p>\n<figure id=\"attachment_83795\" aria-describedby=\"caption-attachment-83795\" style=\"width: 986px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-83795\" src=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/10\/flux-scaled.jpg\" alt=\"four different types of AdTech flux\" width=\"986\" height=\"740\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/10\/flux-scaled.jpg 2560w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/10\/flux-300x225.jpg 300w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/10\/flux-1366x1024.jpg 1366w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/10\/flux-768x576.jpg 768w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/10\/flux-1536x1152.jpg 1536w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/10\/flux-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 986px) 100vw, 986px\" \/><figcaption id=\"caption-attachment-83795\" class=\"wp-caption-text\"><em>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0four different types of AdTech flux<\/em><\/figcaption><\/figure>\n<h2 data-start=\"856\" data-end=\"909\">What Is Aluminium Granular Flux and Why It Matters<\/h2>\n<p data-start=\"911\" data-end=\"1112\"><strong data-start=\"911\" data-end=\"938\">Aluminium Granular Flux<\/strong> is a <strong data-start=\"944\" data-end=\"988\">dust-free, environmentally friendly flux<\/strong> used for molten aluminum treatment. It was developed to overcome the drawbacks of traditional powder fluxes, which include:<\/p>\n<ul data-start=\"1114\" data-end=\"1225\">\n<li data-start=\"1114\" data-end=\"1144\">Dusting during application<\/li>\n<li data-start=\"1145\" data-end=\"1172\">Emission of toxic fumes<\/li>\n<li data-start=\"1173\" data-end=\"1225\">Inconsistent efficiency due to powder morphology<\/li>\n<\/ul>\n<p data-start=\"1227\" data-end=\"1354\"><strong data-start=\"1227\" data-end=\"1246\">Granulated flux<\/strong> addresses these issues, offering <strong data-start=\"1280\" data-end=\"1329\">cleaner, safer, and more reliable performance<\/strong> in foundry operations.<\/p>\n<h3 data-start=\"1356\" data-end=\"1374\">Key Advantages<\/h3>\n<ol data-start=\"1376\" data-end=\"1662\">\n<li data-start=\"1376\" data-end=\"1443\">Increases extrusion speed and die life when extruding profiles<\/li>\n<li data-start=\"1444\" data-end=\"1485\">Reduces breaks in continuous casting<\/li>\n<li data-start=\"1486\" data-end=\"1537\">Eliminates edge cracks during aluminum rolling<\/li>\n<li data-start=\"1538\" data-end=\"1568\">Non-hazardous composition<\/li>\n<li data-start=\"1569\" data-end=\"1612\">Low melting point for rapid dispersion<\/li>\n<li data-start=\"1613\" data-end=\"1662\">Removes alkali metals such as Na, Ca, and Mg<\/li>\n<\/ol>\n<p data-start=\"1664\" data-end=\"1923\">Aluminium Granular Flux is typically a <strong data-start=\"1703\" data-end=\"1720\">eutectic salt<\/strong> composed of MgCl\u2082 (anhydrous), KCl, NaCl, and sometimes CaF\u2082 or complex fluorides like Na\u2083AlF\u2086 and K\u2083AlF\u2086. These raw materials are fused at high temperature, cooled, and crushed into uniform granules.<\/p>\n<ul data-start=\"1925\" data-end=\"2331\">\n<li data-start=\"1925\" data-end=\"2017\">Some fluxes are <strong data-start=\"1943\" data-end=\"1972\">fluoride- and sodium-free<\/strong>, ideal for high-magnesium aluminum alloys.<\/li>\n<li data-start=\"2018\" data-end=\"2149\">Adding small amounts of calcium fluoride to MgCl\u2082\/KCl flux significantly improves <strong data-start=\"2102\" data-end=\"2134\">inclusion and alkali removal<\/strong> performance.<\/li>\n<li data-start=\"2150\" data-end=\"2331\">MgCl\u2082 can form a <strong data-start=\"2169\" data-end=\"2213\">thin protective film on the molten metal<\/strong>, minimizing surface oxidation, reducing the need for cover fluxes when the refining flux contains sufficient MgCl\u2082.<\/li>\n<\/ul>\n<h3 data-start=\"2338\" data-end=\"2366\">Environmental Advantages<\/h3>\n<p data-start=\"2368\" data-end=\"2609\">In an era of heightened environmental awareness, foundries are under pressure to <strong data-start=\"2449\" data-end=\"2477\">reduce noxious emissions<\/strong>. Fluxes, while essential for metal treatment, have traditionally been a source of pollutants such as fluorides and sulfur oxides.<\/p>\n<p data-start=\"2611\" data-end=\"2680\"><strong data-start=\"2611\" data-end=\"2630\">Granular fluxes<\/strong> help reduce emissions by up to <strong data-start=\"2662\" data-end=\"2669\">85%<\/strong>, enabling:<\/p>\n<ul data-start=\"2682\" data-end=\"2814\">\n<li data-start=\"2682\" data-end=\"2701\">Less flux usage<\/li>\n<li data-start=\"2702\" data-end=\"2741\">More efficient melting and refining<\/li>\n<li data-start=\"2742\" data-end=\"2814\">Reduced fluoride and dust emissions without compromising performance<\/li>\n<\/ul>\n<p data-start=\"2816\" data-end=\"2964\">Studies show that <strong data-start=\"2834\" data-end=\"2853\">flux morphology<\/strong> plays a critical role in emission type and quantity, making granular forms significantly cleaner than powders.<\/p>\n<h2 data-start=\"2971\" data-end=\"3018\">AdTech Aluminium Granular Flux Product Range<\/h2>\n<p data-start=\"3020\" data-end=\"3091\"><strong data-start=\"3020\" data-end=\"3043\">User Search Intent:<\/strong> \u201cWhich Aluminium Granular Flux should I use?\u201d<\/p>\n<p data-start=\"3093\" data-end=\"3135\">AdTech offers four specialized flux types:<\/p>\n<ol data-start=\"3137\" data-end=\"3503\">\n<li data-start=\"3137\" data-end=\"3229\"><em><strong><a href=\"https:\/\/www.alalloycasting.com\/oxide-removal-flux\/\" target=\"_blank\" rel=\"noopener\"><span class=\"su-highlight\" style=\"background:#eccb42;color:#000000\">&nbsp;Oxide Removal Flux&nbsp;<\/span><\/a> <\/strong><\/em>\u2013 Efficiently removes surface oxides and non-metallic inclusions<\/li>\n<li data-start=\"3230\" data-end=\"3315\"><em><strong><a href=\"https:\/\/www.alalloycasting.com\/tundish-flux\/\" target=\"_blank\" rel=\"noopener\"><span class=\"su-highlight\" style=\"background:#eccb42;color:#000000\">&nbsp;Tundish Flux&nbsp;<\/span><\/a> <\/strong><\/em>\u2013 Maintains melt cleanliness during continuous casting transfer<\/li>\n<li data-start=\"3316\" data-end=\"3398\"><em><strong><a href=\"https:\/\/www.alalloycasting.com\/refining-flux\/\" target=\"_blank\" rel=\"noopener\"><span class=\"su-highlight\" style=\"background:#eccb42;color:#000000\">&nbsp;Refining Flux&nbsp;<\/span><\/a><\/strong><\/em> \u2013 Reduces hydrogen and alkali metals, enhances melt quality<\/li>\n<li data-start=\"3399\" data-end=\"3503\"><em><strong><a href=\"https:\/\/www.alalloycasting.com\/deslagging-flux\/\" target=\"_blank\" rel=\"noopener\"><span class=\"su-highlight\" style=\"background:#eccb42;color:#000000\">&nbsp;Degassing Flux&nbsp;<\/span><\/a> <\/strong><\/em>\u2013 Works with degassing units to accelerate hydrogen removal and bubble formation<\/li>\n<\/ol>\n<p data-start=\"3505\" data-end=\"3599\">Selecting the right flux type according to process and alloy ensures <strong data-start=\"3574\" data-end=\"3598\">optimal melt quality<\/strong>.<\/p>\n<figure id=\"attachment_83285\" aria-describedby=\"caption-attachment-83285\" style=\"width: 1103px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-83285\" src=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/04\/flux-types-at-a-glance.webp\" alt=\"Aluminum melt purification workflow with flux application stages\" width=\"1103\" height=\"735\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/04\/flux-types-at-a-glance.webp 1536w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/04\/flux-types-at-a-glance-300x200.webp 300w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/04\/flux-types-at-a-glance-768x512.webp 768w\" sizes=\"auto, (max-width: 1103px) 100vw, 1103px\" \/><figcaption id=\"caption-attachment-83285\" class=\"wp-caption-text\">the application of Oxide Removal, Tundish, Refining, and Deslagging flux during aluminum melt processing<\/figcaption><\/figure>\n<h2 data-start=\"3606\" data-end=\"3663\">How to Use Aluminium Granular Flux: Step-by-Step Guide<\/h2>\n<p data-start=\"3665\" data-end=\"3744\"><strong data-start=\"3665\" data-end=\"3688\">User Search Intent:<\/strong> \u201cStep-by-step guide to using Aluminium Granular Flux\u201d<\/p>\n<h3 data-start=\"3746\" data-end=\"3776\">Step 1: Preparing the Melt<\/h3>\n<ul data-start=\"3778\" data-end=\"3965\">\n<li data-start=\"3778\" data-end=\"3834\">Ensure melt temperature is within recommended limits<\/li>\n<li data-start=\"3835\" data-end=\"3883\">Remove debris or dross from ladle or furnace<\/li>\n<li data-start=\"3884\" data-end=\"3965\">Verify degassing units are functioning properly if hydrogen control is needed<\/li>\n<\/ul>\n<h3 data-start=\"3967\" data-end=\"4002\">Step 2: Choosing the Right Flux<\/h3>\n<ul data-start=\"4004\" data-end=\"4188\">\n<li data-start=\"4004\" data-end=\"4049\"><strong data-start=\"4006\" data-end=\"4027\">Oxide-heavy melts<\/strong>: Oxide Removal Flux<\/li>\n<li data-start=\"4050\" data-end=\"4090\"><strong data-start=\"4052\" data-end=\"4074\">Continuous casting<\/strong>: Tundish Flux<\/li>\n<li data-start=\"4091\" data-end=\"4188\"><strong data-start=\"4093\" data-end=\"4132\">Hydrogen\/alkali control or refining<\/strong>: Refining Flux, optionally followed by Degassing Flux<\/li>\n<\/ul>\n<h3 data-start=\"4190\" data-end=\"4229\">Step 3: Flux Dosing and Application<\/h3>\n<ul data-start=\"4231\" data-end=\"4455\">\n<li data-start=\"4231\" data-end=\"4314\">Typical dosage: <strong data-start=\"4249\" data-end=\"4276\">0.3\u20130.7% of melt weight<\/strong>, depending on flux type and process<\/li>\n<li data-start=\"4315\" data-end=\"4372\">Apply gradually to the melt surface for even coverage<\/li>\n<li data-start=\"4373\" data-end=\"4455\">Use dedicated tools, scoops, or automatic feeders to minimize operator contact<\/li>\n<\/ul>\n<h2 data-start=\"4462\" data-end=\"4508\">Recommended Flux Application (by Flux Type)<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"4510\" data-end=\"5409\">\n<thead data-start=\"4510\" data-end=\"4630\">\n<tr data-start=\"4510\" data-end=\"4630\">\n<th class=\"\" data-start=\"4510\" data-end=\"4533\" data-col-size=\"sm\">Flux Type<\/th>\n<th class=\"\" data-start=\"4533\" data-end=\"4581\" data-col-size=\"md\">Typical Use \/ Function<\/th>\n<th class=\"\" data-start=\"4581\" data-end=\"4609\" data-col-size=\"sm\">Dosage (% by melt weight)<\/th>\n<th class=\"\" data-start=\"4609\" data-end=\"4630\" data-col-size=\"md\">Application Notes<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"4747\" data-end=\"5409\">\n<tr data-start=\"4747\" data-end=\"4894\">\n<td data-start=\"4747\" data-end=\"4769\" data-col-size=\"sm\">Oxide Removal Flux<\/td>\n<td data-col-size=\"md\" data-start=\"4769\" data-end=\"4822\">Removes surface oxides and non-metallic inclusions<\/td>\n<td data-col-size=\"sm\" data-start=\"4822\" data-end=\"4849\">0.3\u20130.5<\/td>\n<td data-col-size=\"md\" data-start=\"4849\" data-end=\"4894\">Apply at pouring temperature; stir gently<\/td>\n<\/tr>\n<tr data-start=\"4895\" data-end=\"5054\">\n<td data-start=\"4895\" data-end=\"4917\" data-col-size=\"sm\">Tundish Flux<\/td>\n<td data-col-size=\"md\" data-start=\"4917\" data-end=\"4984\">Maintains melt cleanliness during transfer in continuous casting<\/td>\n<td data-col-size=\"sm\" data-start=\"4984\" data-end=\"5011\">0.4\u20130.6<\/td>\n<td data-col-size=\"md\" data-start=\"5011\" data-end=\"5054\">Maintain flux layer; avoid disturbances<\/td>\n<\/tr>\n<tr data-start=\"5055\" data-end=\"5233\">\n<td data-start=\"5055\" data-end=\"5077\" data-col-size=\"sm\">Refining Flux<\/td>\n<td data-col-size=\"md\" data-start=\"5077\" data-end=\"5145\">Reduces hydrogen and alkali metals, improves overall melt quality<\/td>\n<td data-col-size=\"sm\" data-start=\"5145\" data-end=\"5172\">0.3\u20130.5<\/td>\n<td data-col-size=\"md\" data-start=\"5172\" data-end=\"5233\">Apply before degassing; works with rotary degassing units<\/td>\n<\/tr>\n<tr data-start=\"5234\" data-end=\"5409\">\n<td data-start=\"5234\" data-end=\"5256\" data-col-size=\"sm\">Degassing Flux<\/td>\n<td data-col-size=\"md\" data-start=\"5256\" data-end=\"5318\">Accelerates hydrogen removal when used with degassing units<\/td>\n<td data-col-size=\"sm\" data-start=\"5318\" data-end=\"5345\">0.5\u20130.7<\/td>\n<td data-col-size=\"md\" data-start=\"5345\" data-end=\"5409\">Combine with degassing unit; suitable for all aluminum melts<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"5411\" data-end=\"5494\"><em data-start=\"5411\" data-end=\"5494\">Data source: AdTech internal trials and European Foundry Association (EFA), 2023.<\/em><\/p>\n<h3 data-start=\"5501\" data-end=\"5537\">Step 4: Stirring and Integration<\/h3>\n<ul data-start=\"5539\" data-end=\"5772\">\n<li data-start=\"5539\" data-end=\"5608\">Gently stir for oxide removal to allow flux to contact impurities<\/li>\n<li data-start=\"5609\" data-end=\"5714\">For refining and degassing flux, allow time for bubbles to form and hydrogen\/alkali metals to migrate<\/li>\n<li data-start=\"5715\" data-end=\"5772\">Avoid over-stirring, which can reintroduce inclusions<\/li>\n<\/ul>\n<h3 data-start=\"5774\" data-end=\"5811\">Step 5: Skimming and Slag Removal<\/h3>\n<ul data-start=\"5813\" data-end=\"5932\">\n<li data-start=\"5813\" data-end=\"5872\">Skim the flux layer once it has reacted with impurities<\/li>\n<li data-start=\"5873\" data-end=\"5932\">Inspect melt surface for remaining oxides or inclusions<\/li>\n<\/ul>\n<h2 data-start=\"5939\" data-end=\"5974\">Safety and Health Considerations<\/h2>\n<p data-start=\"5976\" data-end=\"6045\"><strong data-start=\"5976\" data-end=\"5999\">User Search Intent:<\/strong> \u201cHow to safely use Aluminium Granular Flux\u201d<\/p>\n<p data-start=\"6047\" data-end=\"6207\"><strong data-start=\"6047\" data-end=\"6081\">AdTech Aluminium Granular Flux<\/strong> is <strong data-start=\"6085\" data-end=\"6139\">dust-free, non-toxic, and environmentally friendly<\/strong>, significantly reducing the hazards of traditional powder fluxes.<\/p>\n<p data-start=\"6209\" data-end=\"6299\">However, <strong data-start=\"6218\" data-end=\"6259\">molten aluminum remains extremely hot<\/strong>, so standard precautions are essential.<\/p>\n<h3 data-start=\"6301\" data-end=\"6321\">Safety Practices<\/h3>\n<ul data-start=\"6323\" data-end=\"6725\">\n<li data-start=\"6323\" data-end=\"6449\"><strong data-start=\"6325\" data-end=\"6333\">PPE:<\/strong> Heat-resistant gloves, arm protection, face shield, flame-retardant clothing, and steel-toed heat-resistant boots<\/li>\n<li data-start=\"6450\" data-end=\"6617\"><strong data-start=\"6452\" data-end=\"6470\">Flux Handling:<\/strong> Use dedicated tools or automatic feeders; while flux is non-hazardous, light respiratory protection may be considered in poorly ventilated areas<\/li>\n<li data-start=\"6618\" data-end=\"6725\"><strong data-start=\"6620\" data-end=\"6632\">Storage:<\/strong> Keep flux dry and sealed to prevent moisture contact, which can react with molten aluminum<\/li>\n<\/ul>\n<p data-start=\"6727\" data-end=\"6899\"><strong data-start=\"6727\" data-end=\"6739\">Summary:<\/strong> The primary hazard is molten aluminum, not the flux. AdTech fluxes allow <strong data-start=\"6813\" data-end=\"6840\">clean and safe handling<\/strong>, while standard molten metal precautions remain important.<\/p>\n<p style=\"text-align: center;\" data-start=\"6727\" data-end=\"6899\"><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/1Z4BThHrqAk?si=vSNHamroFxCOEe8o\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p style=\"text-align: center;\" data-start=\"91\" data-end=\"147\"><em>Operator safely applies <strong data-start=\"117\" data-end=\"160\">AdTech Aluminium Granular Refining Flux<\/strong> to molten aluminum, ensuring cleaner, high-quality metal.<\/em><\/p>\n<h2 data-start=\"91\" data-end=\"147\">AdTech Real Case: Optimizing Flux in a German Foundry<\/h2>\n<p data-start=\"149\" data-end=\"573\"><strong data-start=\"149\" data-end=\"164\">Background:<\/strong> A medium-sized aluminum foundry in <strong data-start=\"200\" data-end=\"211\">Germany<\/strong>, specializing in automotive Al-Si-Mg alloy components, faced challenges with <strong data-start=\"289\" data-end=\"360\">high hydrogen content, frequent porosity, and oxide-related defects<\/strong> in their continuous casting lines. The production yield was suboptimal, with scrap rates reaching <strong data-start=\"459\" data-end=\"468\">8\u201310%<\/strong>, and the extrusion dies required more frequent replacement due to edge cracks and surface imperfections.<\/p>\n<p data-start=\"575\" data-end=\"601\"><strong data-start=\"575\" data-end=\"601\">Challenges Identified:<\/strong><\/p>\n<ul data-start=\"603\" data-end=\"938\">\n<li data-start=\"603\" data-end=\"694\">Hydrogen levels in molten aluminum averaged <strong data-start=\"649\" data-end=\"666\">0.19\u20130.21 ppm<\/strong>, leading to gas porosity.<\/li>\n<li data-start=\"695\" data-end=\"810\">Oxide films and non-metallic inclusions caused <strong data-start=\"744\" data-end=\"763\">surface defects<\/strong> and reduced downstream machining efficiency.<\/li>\n<li data-start=\"811\" data-end=\"938\">Traditional powder fluxes generated dust and inconsistent flux distribution, affecting worker safety and process reliability.<\/li>\n<\/ul>\n<p data-start=\"940\" data-end=\"960\"><strong data-start=\"940\" data-end=\"960\">AdTech Solution:<\/strong><\/p>\n<ul data-start=\"962\" data-end=\"1431\">\n<li data-start=\"962\" data-end=\"1079\">Supplied <strong data-start=\"973\" data-end=\"1002\">2.2 tons of Refining Flux<\/strong> and <strong data-start=\"1007\" data-end=\"1036\">1.0 ton of Degassing Flux<\/strong> tailored for Al-Si-Mg automotive alloys.<\/li>\n<li data-start=\"1080\" data-end=\"1213\">Provided <strong data-start=\"1091\" data-end=\"1111\">on-site training<\/strong> for furnace operators on proper flux dosing, sequence, and interaction with rotary degassing units.<\/li>\n<li data-start=\"1214\" data-end=\"1331\">Introduced <strong data-start=\"1227\" data-end=\"1249\">Oxide Removal Flux<\/strong> for pre-pouring treatment and <strong data-start=\"1280\" data-end=\"1296\">Tundish Flux<\/strong> for continuous casting transfer.<\/li>\n<li data-start=\"1332\" data-end=\"1431\">Recommended optimized dosing: 0.35\u20130.6% of melt weight, applied gradually for uniform dispersion.<\/li>\n<\/ul>\n<p data-start=\"1433\" data-end=\"1466\"><strong data-start=\"1433\" data-end=\"1466\">Results After Implementation:<\/strong><\/p>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1468\" data-end=\"1974\">\n<thead data-start=\"1468\" data-end=\"1544\">\n<tr data-start=\"1468\" data-end=\"1544\">\n<th class=\"\" data-start=\"1468\" data-end=\"1502\" data-col-size=\"sm\">Metric<\/th>\n<th class=\"\" data-start=\"1502\" data-end=\"1523\" data-col-size=\"sm\">Before AdTech Flux<\/th>\n<th class=\"\" data-start=\"1523\" data-end=\"1544\" data-col-size=\"sm\">After AdTech Flux<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1616\" data-end=\"1974\">\n<tr data-start=\"1616\" data-end=\"1687\">\n<td data-start=\"1616\" data-end=\"1651\" data-col-size=\"sm\">Hydrogen content (ppm)<\/td>\n<td data-col-size=\"sm\" data-start=\"1651\" data-end=\"1669\">0.20<\/td>\n<td data-col-size=\"sm\" data-start=\"1669\" data-end=\"1687\">0.08<\/td>\n<\/tr>\n<tr data-start=\"1688\" data-end=\"1759\">\n<td data-start=\"1688\" data-end=\"1723\" data-col-size=\"sm\">Surface porosity (%)<\/td>\n<td data-col-size=\"sm\" data-start=\"1723\" data-end=\"1741\">6.8<\/td>\n<td data-col-size=\"sm\" data-start=\"1741\" data-end=\"1759\">2.7<\/td>\n<\/tr>\n<tr data-start=\"1760\" data-end=\"1830\">\n<td data-start=\"1760\" data-end=\"1795\" data-col-size=\"sm\">Scrap rate (%)<\/td>\n<td data-col-size=\"sm\" data-start=\"1795\" data-end=\"1813\">9<\/td>\n<td data-col-size=\"sm\" data-start=\"1813\" data-end=\"1830\">3<\/td>\n<\/tr>\n<tr data-start=\"1831\" data-end=\"1902\">\n<td data-start=\"1831\" data-end=\"1866\" data-col-size=\"sm\">Extrusion die life (cycles)<\/td>\n<td data-col-size=\"sm\" data-start=\"1866\" data-end=\"1884\">1200<\/td>\n<td data-col-size=\"sm\" data-start=\"1884\" data-end=\"1902\">1850<\/td>\n<\/tr>\n<tr data-start=\"1903\" data-end=\"1974\">\n<td data-start=\"1903\" data-end=\"1942\" data-col-size=\"sm\">Edge crack incidence (per 100 parts)<\/td>\n<td data-col-size=\"sm\" data-start=\"1942\" data-end=\"1956\">15<\/td>\n<td data-col-size=\"sm\" data-start=\"1956\" data-end=\"1974\">4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"1976\" data-end=\"2019\"><em data-start=\"1976\" data-end=\"2019\">Source: AdTech internal trial data, 2023.<\/em><\/p>\n<p data-start=\"2021\" data-end=\"2050\"><strong data-start=\"2021\" data-end=\"2050\">Operational Improvements:<\/strong><\/p>\n<ul data-start=\"2052\" data-end=\"2483\">\n<li data-start=\"2052\" data-end=\"2122\">Hydrogen content reduced by <strong data-start=\"2082\" data-end=\"2094\">over 60%<\/strong>, minimizing gas porosity.<\/li>\n<li data-start=\"2123\" data-end=\"2239\">Oxide and inclusion removal efficiency improved, resulting in <strong data-start=\"2187\" data-end=\"2208\">smoother surfaces<\/strong> and fewer machining defects.<\/li>\n<li data-start=\"2240\" data-end=\"2306\">Scrap rate reduced by <strong data-start=\"2264\" data-end=\"2271\">66%<\/strong>, significantly increasing yield.<\/li>\n<li data-start=\"2307\" data-end=\"2373\">Die life extended by <strong data-start=\"2330\" data-end=\"2342\">over 50%<\/strong>, lowering maintenance costs.<\/li>\n<li data-start=\"2374\" data-end=\"2483\">Worker exposure to flux dust decreased due to dust-free granular fluxes, improving <strong data-start=\"2459\" data-end=\"2482\">occupational safety<\/strong>.<\/li>\n<\/ul>\n<p data-start=\"2485\" data-end=\"2513\"><strong data-start=\"2485\" data-end=\"2513\">Outcome and Partnership:<\/strong><\/p>\n<p data-start=\"2515\" data-end=\"2949\">Thanks to AdTech&#8217;s technical support and the implementation of a <strong data-start=\"2580\" data-end=\"2608\">customized flux protocol<\/strong>, the German foundry not only achieved <strong data-start=\"2647\" data-end=\"2700\">higher product quality and operational efficiency<\/strong> but also established a <strong data-start=\"2724\" data-end=\"2759\">long-term cooperation agreement<\/strong> with AdTech. The foundry continues to purchase granular fluxes for all its Al-Si-Mg production lines and regularly engages AdTech for process optimization audits and technical consultation.<\/p>\n<h2 style=\"text-align: center;\" data-start=\"7680\" data-end=\"7722\"><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/r0tW2kjVBd8?si=Z4zZGaIzILPy8is3\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/h2>\n<p style=\"text-align: center;\" data-start=\"7680\" data-end=\"7722\"><em>Granular Fluxes for Molten Aluminum Refining<\/em><\/p>\n<h2 data-start=\"7680\" data-end=\"7722\">Performance Metrics and Industrial Data<\/h2>\n<p data-start=\"7724\" data-end=\"7794\"><strong data-start=\"7724\" data-end=\"7794\">Table 2: Aluminium Granular Flux Impact on Hydrogen and Inclusions<\/strong><\/p>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"7796\" data-end=\"8090\">\n<thead data-start=\"7796\" data-end=\"7856\">\n<tr data-start=\"7796\" data-end=\"7856\">\n<th class=\"\" data-start=\"7796\" data-end=\"7821\" data-col-size=\"sm\">Metric<\/th>\n<th class=\"\" data-start=\"7821\" data-end=\"7836\" data-col-size=\"sm\">Without Flux<\/th>\n<th class=\"\" data-start=\"7836\" data-end=\"7856\" data-col-size=\"sm\">With AdTech Flux<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"7915\" data-end=\"8090\">\n<tr data-start=\"7915\" data-end=\"7972\">\n<td data-start=\"7915\" data-end=\"7940\" data-col-size=\"sm\">Hydrogen content (ppm)<\/td>\n<td data-col-size=\"sm\" data-start=\"7940\" data-end=\"7954\">0.22<\/td>\n<td data-col-size=\"sm\" data-start=\"7954\" data-end=\"7972\">0.08<\/td>\n<\/tr>\n<tr data-start=\"7973\" data-end=\"8031\">\n<td data-start=\"7973\" data-end=\"8003\" data-col-size=\"sm\">Non-metallic inclusions (%)<\/td>\n<td data-col-size=\"sm\" data-start=\"8003\" data-end=\"8013\">0.14<\/td>\n<td data-col-size=\"sm\" data-start=\"8013\" data-end=\"8031\">0.06<\/td>\n<\/tr>\n<tr data-start=\"8032\" data-end=\"8090\">\n<td data-start=\"8032\" data-end=\"8058\" data-col-size=\"sm\">Surface porosity (%)<\/td>\n<td data-col-size=\"sm\" data-start=\"8058\" data-end=\"8072\">7<\/td>\n<td data-col-size=\"sm\" data-start=\"8072\" data-end=\"8090\">3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"8092\" data-end=\"8156\"><em data-start=\"8092\" data-end=\"8156\">Source: Multi-year trials, European Foundry Association, 2023.<\/em><\/p>\n<p data-start=\"8163\" data-end=\"8214\"><strong data-start=\"8163\" data-end=\"8214\">Table 3: Flux Effectiveness Across Applications<\/strong><\/p>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"8216\" data-end=\"8614\">\n<thead data-start=\"8216\" data-end=\"8284\">\n<tr data-start=\"8216\" data-end=\"8284\">\n<th class=\"\" data-start=\"8216\" data-end=\"8244\" data-col-size=\"sm\">Application Scenario<\/th>\n<th class=\"\" data-start=\"8244\" data-end=\"8273\" data-col-size=\"sm\">Flux Used<\/th>\n<th class=\"\" data-start=\"8273\" data-end=\"8284\" data-col-size=\"sm\">Outcome<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"8354\" data-end=\"8614\">\n<tr data-start=\"8354\" data-end=\"8438\">\n<td data-start=\"8354\" data-end=\"8383\" data-col-size=\"sm\">Automotive Al-Si casting<\/td>\n<td data-col-size=\"sm\" data-start=\"8383\" data-end=\"8412\">Oxide Removal + Refining<\/td>\n<td data-col-size=\"sm\" data-start=\"8412\" data-end=\"8438\">60% porosity reduction<\/td>\n<\/tr>\n<tr data-start=\"8439\" data-end=\"8525\">\n<td data-start=\"8439\" data-end=\"8467\" data-col-size=\"sm\">Aerospace Al-Mg alloys<\/td>\n<td data-col-size=\"sm\" data-start=\"8467\" data-end=\"8496\">Refining + Degassing<\/td>\n<td data-col-size=\"sm\" data-start=\"8496\" data-end=\"8525\">Hydrogen down to 0.08 ppm<\/td>\n<\/tr>\n<tr data-start=\"8526\" data-end=\"8614\">\n<td data-start=\"8526\" data-end=\"8554\" data-col-size=\"sm\">Continuous casting lines<\/td>\n<td data-col-size=\"sm\" data-start=\"8554\" data-end=\"8583\">Tundish Flux + Degassing<\/td>\n<td data-col-size=\"sm\" data-start=\"8583\" data-end=\"8614\">Cleaner melt, reduced dross<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"8616\" data-end=\"8690\"><em data-start=\"8616\" data-end=\"8690\">Source: AdTech internal trials, International Aluminium Institute, 2022.<\/em><\/p>\n<h2 data-start=\"8697\" data-end=\"8758\">Conclusion: Safe and Effective Aluminium Granular Flux Use<\/h2>\n<p data-start=\"8760\" data-end=\"8889\">Effective use of <strong data-start=\"8777\" data-end=\"8804\">Aluminium Granular Flux<\/strong> requires understanding <strong data-start=\"8828\" data-end=\"8886\">sequence, timing, flux selection, and safety awareness<\/strong>.<\/p>\n<p data-start=\"8891\" data-end=\"8938\">With <strong data-start=\"8896\" data-end=\"8913\">AdTech fluxes<\/strong>, foundries benefit from:<\/p>\n<ul data-start=\"8940\" data-end=\"9119\">\n<li data-start=\"8940\" data-end=\"8988\">Dust-free, environmentally friendly handling<\/li>\n<li data-start=\"8989\" data-end=\"9043\">Improved melt quality, hydrogen and alkali control<\/li>\n<li data-start=\"9044\" data-end=\"9073\">Safer working environment<\/li>\n<li data-start=\"9074\" data-end=\"9119\">Lower scrap rates and improved efficiency<\/li>\n<\/ul>\n<p data-start=\"9121\" data-end=\"9249\">For more details on flux products and application guidance, visit <a class=\"decorated-link\" href=\"https:\/\/www.alalloycasting.com\/products\/\" target=\"_new\" rel=\"noopener\" data-start=\"9187\" data-end=\"9246\">AdTech Products<\/a>.<\/p>\n<h4 style=\"text-align: center;\" data-start=\"6768\" data-end=\"6819\"><a href=\"https:\/\/web.whatsapp.com\/send?phone=8617344611163&amp;text=\" target=\"_blank\" rel=\"noopener\"><strong><em><span class=\"su-highlight\" style=\"background:#ffffff;color:#e76d6d\">&nbsp;If your project requires the use of Flux, you can contact us for a free quote.&nbsp;<\/span><\/em><\/strong><\/a><\/h4>\n<h2 data-start=\"9121\" data-end=\"9249\">FAQ<\/h2>\n<details open=\"open\">\n<summary>1. What is Aluminium Granular Flux and how does it work?<\/summary>\n<p>Aluminium Granular Flux is a dust-free, environmentally friendly flux used to remove oxides, non-metallic inclusions, and alkali metals from molten aluminum. It works by reacting with impurities, forming a removable slag layer, and reducing hydrogen content in the melt.<\/p>\n<\/details>\n<details open=\"open\">\n<summary>2. What types of Aluminium Granular Flux does AdTech offer?<\/summary>\n<p>AdTech offers four main types: Oxide Removal Flux, Tundish Flux, Refining Flux, and Degassing Flux. Each type targets specific melt issues such as surface oxides, hydrogen, or inclusion removal.<\/p>\n<\/details>\n<details open=\"open\">\n<summary>3. How do I choose the right flux for my aluminum alloy?<\/summary>\n<p>Selection depends on your process and alloy: Oxide Removal Flux for oxide-heavy melts, Tundish Flux for continuous casting, Refining Flux for hydrogen\/alkali control, and Degassing Flux to accelerate hydrogen removal in combination with a degassing unit.<\/p>\n<\/details>\n<details open=\"open\">\n<summary>4. What is the recommended dosage for Aluminium Granular Flux?<\/summary>\n<p>Typical dosage ranges from 0.3% to 0.7% of the melt weight, depending on the flux type and process conditions. Gradual application ensures even distribution and optimal performance.<\/p>\n<\/details>\n<details open=\"open\">\n<summary>5. Is Aluminium Granular Flux safe for workers?<\/summary>\n<p>Yes. AdTech fluxes are dust-free and non-toxic, significantly reducing exposure risks. Standard molten metal precautions should still be followed, including PPE like gloves, face shields, and heat-resistant clothing.<\/p>\n<\/details>\n<details open=\"open\">\n<summary>6. Can Aluminium Granular Flux reduce emissions in foundries?<\/summary>\n<p>Yes. Granular fluxes reduce harmful emissions, including fluoride and dust, by up to 85% compared to traditional powder fluxes, while maintaining effective impurity removal and melt quality.<\/p>\n<\/details>\n<details open=\"open\">\n<summary>7. Do I need additional degassing when using Aluminium Granular Flux?<\/summary>\n<p>Degassing Flux is designed to work with rotary or inert gas degassing units. Using it in combination with other fluxes like Refining Flux enhances hydrogen removal efficiency.<\/p>\n<\/details>\n<details open=\"open\">\n<summary>8. Can Aluminium Granular Flux be used for high-magnesium aluminum alloys?<\/summary>\n<p>Keep flux dry, sealed, and away from moisture. Moisture can react with molten aluminum, creating safety hazards. Standard storage in a cool, dry warehouse is recommended.<\/p>\n<\/details>\n<details open=\"open\">\n<summary>9. In what situations should a porous ceramic filter be replaced instead of regenerated?<\/summary>\n<p>Yes. Certain AdTech fluxes are specifically formulated without sodium or fluorides, making them suitable for high-magnesium alloys while maintaining effective inclusion and alkali removal.<\/p>\n<\/details>\n<details open=\"open\">\n<summary>10. What improvements can I expect when using AdTech Aluminium Granular Flux?<\/summary>\n<p>Foundries typically see reduced hydrogen content, fewer inclusions, lower porosity, longer die life, and improved surface finish. Efficiency improvements often lead to lower scrap rates and better overall productivity.<\/p>\n<\/details>\n<\/div>\n<div class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\">\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10344\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/09\/Casthouse-Flux.jpg\" alt=\"\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/09\/Casthouse-Flux.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/09\/Casthouse-Flux-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Achieving high-quality aluminum castings requires more than selecting the right alloy or designing the mold correctly. Controlling hydrogen content, oxide inclusions, alkali metals, and surface&hellip;<\/p>","protected":false},"author":1,"featured_media":10534,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120],"tags":[],"class_list":["post-10533","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fluxes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Use Aluminium Granular Flux: Comprehensive Guide for Foundries<\/title>\n<meta name=\"description\" content=\"Aluminium Granular Flux is an environmentally friendly range of fluxes used for molten metal treatment. It is smokeless refining. 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