glasswool board 1.competitive price 2.Heat, sound insulation 3.passed ISO, SGS,excellent quality 4.various,size Description:glass wool is made by adopting ... for heat insulation and sound absorption in heat supply, ventilation, tank, and air-conditioning regulation of a variety of commercial, industrial and ... /m3 2000HZGB/J47-83Max. working temperature 400410GB/T 13350-2000 Glass wool board