rockwool

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.

本文介绍了采煤副产品～然的特性，并对其在建材行业的开成果进行了评述．主要包括然煤烧制水泥，然熔制岩棉等。