It is E-glass roving via hacking and loosing with free of any binder, the filament diameter is 7um~11.5um, the length is 50mm~200mm.The material is alkali and acid resistance. And the standing temperature is from -40℃ degree to 635℃ degree. It is the raw material of atmosphere filter, special made to tape and mat of sound insulation and heat insulation.
One 40’HQ can loads 9 tons with compressing packing.