... soft, fine, waterproof and fireproof with good rebound elasticity. glass wool board 1) Picture: 2) Description Adapting the advanced centrifugal blowing process ... , we produces glass wool is soft, fine, waterproof and fireproof with good rebound elasticity ... ,20,24,32,40,48Batt1160-1200410-610100-20010-48 glass wool board