Rock wool products except wite general rock wool is special point, but also a waterproof, heat preservation and heat insulation every cold, such as performance, have certain chemical stability, even in moist use for a long time also will not happen Chaoxie.the Water repellency,was above 98%. because its products not containing fluorine(F-chlorine(CL)),so it right equipment without corrodent function.By the ministry of public security fire research institute for the certification of material, it is not burning buildings, piplines,storage tanks, distillation, boiler, the flue, heat exchanger, the fan and means of transportation, and other industrial equipment excellent heat preservation and heat insulation, lie betweet cold, sound-absording materials ideal