rockwool

1.The obtained achievement in building material industry is studied, including sintering cement with substituting coal by cokeite and smelting rockwool with substituting coke by cokeite and so on.

文介绍了采煤副产品～然焦的特性，并对其在建材行业的开发研究果进行了评述．主要包括然焦代煤烧制水泥，然焦代焦炭熔制岩棉等。