... ,12,16,20,24,32,40,48,96kg 1) name :glass wool / fiber glass wool / glass wool insulation / heat insulation material /building insulation materials2) size :Length: ... aluminium foil ,or pvc like following picture5)production line:6)glass wool insulation is widely used for heat preservation for steel structure ... energy for indoor partition wall ,Train compartment and so on. fiber glass wool roll factory