... 24,32,40,48,96kg 1) name :glass wool / fiber glass wool / glass wool insulation / heat insulation material /building ... 20,24,32,40,48,96kg/m33)Colour : bright yellow like following picture4)Surface: nudity or with aluminium ... ,or pvc like following picture5)production line:6)glass wool insulation is widely used for heat preservation ... wall ,Train compartment and so on. fiber glass wool roll factory