The crag cotton and kapok is take the natural basalt as the primary data, after high temperature fusing, is made the man-made mineral fibre by the high speed centrifugal equipment, simultaneously joins specially made the cementing agent and the dust laying oil, passes through the warming to solidify again, manufactures Cheng Ge to plant the specification, various requirement crag cotton and kapok heat preservation product. The applicable scope is broad 　　The crag cotton and kapok product versatility, is suitable for the construction, the petroleum, the electric power, the metallurgy