Fiber glass wool,glass fiber wool, also called fiberglass mat. Density:10~48kg/M3 Roll width:1.2M Low thermal conductivity. Construction:Fiber ... , 1.2MRoll Length: Up to 30MDensity: 10Kg/M3, 12Kg/M3, 16Kg/M3, 24Kg/M3, 32Kg/M3, 40kg/M3,48Kg/M3.Bare Glass Wool Insulation and Faced Glass ...