Casting microsilica, casting foundry silica filler material by the Lianyungang Donghai rich color mineral products company jointly developed according to the needs of the foundry silica powder quartz powder industry, and precision casting industry customers with quartz powder products.

Supply the casting of rich color mineral products company microsilica product has a low-stress, low thermal expansion, the casting surface clean, smooth features, a cheap alternative to expensive zircon powder.