Elastic mid-strength rock wool board: used for heat preservation, fireproofing and sound absorption for the building wall/roof, such as curtain wall, inner wall partition and elevator hoistway, etc.
有弹性，中等强度岩棉板：适用于建筑墙体/屋顶保温、防火、吸音，如幕墙、内墙隔断、电梯井等。
2
Rock joint has a strong influence on blasting result, when burden and fault are parallel, this easily results in rushing out of the chamber and partition wall.
岩体结构面对爆破效果有显著影响，当最小抵抗线与结构面平行时，极易造成冲炮和隔墙。
3
Marine rock wool board for Marine thermal insulating and fire partition;