20-40 Mesh Foundry Stuffing Sand

We are engaged in exporting distributing and supplying excellent quality 20-40 Mesh Foundry Stuffing Sand to our valuable clients. Stuffing sand also called drainage sand or filling sand is a filling refractory material used at the bottom of the ladle. It is an important refractory for the steel casting. Ingredient of 20-40 mesh foundry stuffing sand is Aluminum trioxide with small amount of silica.

Foundry use drainage sand produced by Yuanyang has the features of good dispersion flow high refractoriness non-sintered non-blocking 100% drainage tapping rate with working temperature a Y1750 a . It does not chemically react with the molten steel and alloy composition to meet the requirements of the steelmaking process so the stuffing sand is best eccentric furnace steelmaking refractories.