What Is Moulding Sand
Moulding sand is the refractory granular material a foundry packs around a pattern to form a mould cavity: silica grains
Moulding sand is the refractory granular material a foundry packs around a pattern to form a mould cavity: silica grains
Green sand is silica sand bonded with bentonite clay, activated by water, with a carbonaceous additive such as sea coal
Four base sands and three binder families are two separate specification decisions. The sintering, expansion and acid demand numbers that separate them for ferrous casting.