30 Ppi Filter Foam

30 Ppi Filter Foam

30 Ppi Filter Foam

30 Ppi Filter Foam

Ppi indicates the number of inches per inch. The higher the ppi value in the filter plate, the more holes per inch, the smaller the holes, and the better the filtration effect.
If the hole is too small, the aluminum alloy will not pass the fluidity limit, so you should choose the right model.

30 Ppi Filter Foam

30 Ppi Filter Foam is formed by high-temperature sintering to form interconnected open pores with its outer surface and its interior.
When the fluid passes through the microporous channel, suspended matter, colloidal particles, and macromolecular organic matter are trapped on the surface of the product, and the fluid passes through the microporous channel to generate various physical and chemical effects to purify and filter.

30 Ppi Filter Foam is important in the quality of the smelted aluminum melt, which greatly affects the subsequent processing properties and 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 pollution.
During the smelting process, aluminum is exposed to the furnace atmosphere in a molten or semi-molten state, which is prone to oxidation, easily reacts with water vapor to absorb hydrogen, and easily forms various forms of non-metallic slag (and coarse intermetallic particles, etc.). Wait.
On the other hand, part of the waste material in the composition charge carries some non-aluminum impurities during the circulation.
Since the waste comes from the process waste and waste of the various processes of the factory and the waste outside the factory, the route is different, the composition is complex, and the quality is also poor.

These impurities tend to cause bubbles and inclusions in the slab, which seriously affect the purity of the metal melt, thereby further affecting the processing properties, mechanical properties, corrosion resistance and appearance quality of the product.

30 Ppi Filter Foam has excellent thermal shock resistance, strength and high porosity and specific surface area. It can filter and adsorb as little inclusions as possible in the molten metal.
With its unique rectification effect, smooth and rapid laminar flow is prevented, and bubbles are prevented from entering, which is suitable for different refractoriness and casting speed requirements in the foundry industry.
30 Ppi Filter Foam significantly improves the quality of castings and facilitates cutting, reducing tool wear and reducing manufacturing costs.

30 Ppi Filter Foam, 40/50/60/80 Ppi Filter Foam, ceramic foam filter 20 ppi

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