... density, neutral materials For supporting foundry and casting industry, we supply Ceramsite Foundry Sand (also called ceramic foundry sand) in ... this product, please find details as below, DescriptionCeramic Foundry sand is made from fine bauxite, by re ... , it is a new type casting material for precision casting, coated sand and self hardening sand ... or others AFS:20-150 Ceramic Foundry Sand For Casting