精密铸造用型砂；在磨具中经常用作陶瓷、树脂固结磨具和涂附磨具的原料。

Besides, it also can be used as the foundry sand in precision casting and the raw materials of ceramic and resin bonded abrasives as well as coated abrasives.

youdao

精密铸造用型砂；在磨具中经常用作陶瓷、树脂固结磨具和涂附磨具的原料。

Besides, it also can be used as the foundry sand in precision casting and the raw materials of ceramic and resin bonded abrasives as well as coated abrasives.

youdao