... is soft, fine, waterproof and fireproof with good rebound elasticity. Top grade glass wool 1) Picture: 2) Description Adapting the advanced ... good heat preservation and sound absorption, low construction cost, short cycle of works, no toxicity, non-stimulation to the skin, guarantee ... ,16,20,24,32,40,48Batt1160-1200410-610100-20010-48 Top grade glass wool