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30PPI CFF Filter

30PPI CFF Filter

30ppi Cff filter represents the number of inches per inch. The higher the ppi value in the filter plate, the more holes per inch and the smaller the holes, the better the filtering effect.
If the hole is too small, the aluminum alloy will not pass the fluidity restriction, so you should choose the correct model.

Ceramic foam filter (CFF) is formed by high-temperature sintering, and interconnected openings are formed on its outer surface and inside. When the fluid passes through the microporous channel, suspended matter, colloidal particles and macromolecular organic matter are captured on the surface of the product, and the fluid passes through the microporous channel to produce various physical and chemical effects for purification and filtration.

30ppi Cff filter is very important to the quality of molten aluminum melt, which greatly affects the subsequent processing performance and the quality of the final product. Therefore, all countries in the world attach great importance to the purification of aluminum melt.

There are many reasons for aluminum contamination. During the smelting process, aluminum is exposed to the atmosphere in the furnace in a molten or semi-molten state. It is easily oxidized, easily reacts with water vapor to absorb hydrogen, and easily forms various forms of non-metallic slag. On the other hand, part of the waste in the composition charge contains some non-aluminum impurities during the recycling process. Because the waste comes from process waste, waste from various processes in the factory, and waste outside the factory, the routes are different, the composition is complicated, and the quality is poor.

Ceramic Foam Filter Sealing

These impurities are easy to generate bubbles and inclusions in the slab, which seriously affect the purity of the molten metal, thereby further affecting the processing performance, mechanical properties, corrosion resistance, and appearance quality of the product.

Ceramic foam filter has excellent thermal shock resistance, strength, high porosity, and specific surface area. It can filter and absorb as few inclusions as possible in molten metal. It has a unique rectifying function, which can prevent laminar flow from flowing smoothly and quickly, preventing air bubbles from entering, and is suitable for different requirements of refractoriness and casting speed in the foundry industry. 30 Ppi foam filter can significantly improve the quality of castings and promote cutting, reduce tool wear and reduce manufacturing costs.

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