Sodium silicate churk of casting mould surface posible sending casting surface form inclusion.Alcoholbase bauxite coating to meet the needs of heavy copper casting surface quality.

• 铸型表面的水玻璃团块可使铸件表面形成夹杂缺陷,用铝钒土醇基快干涂料,可满足大型铜合金铸件对表面质量的要求。