Lost Foam Coating for Casting
Lost Foam Coating is a special clay sand casting material and cast iron auxiliary material, developed specifically for the lost foam casting process. It can form a dense, high-temperature resistant protective coating on the surface of the foam pattern, preventing molten iron penetration, sand adhesion, and carbon defects. It is a core consumable to ensure casting quality in lost foam casting production. Made from high-alumina refractory aggregates as the main components, combined with modified binders and suspending agents, this product is perfectly compatible with clay sand casting materials such as foundry compound sand, foundry sodium bentonite, foundry coal powder, and foundry starch. The coating will not fall off or crack during pouring, effectively preventing molten iron from eroding the foam pattern and avoiding casting defects such as pores, carbon slag, and rough surfaces. As a high-quality cast iron auxiliary material, this product has excellent air permeability and anti-sand…
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