... , fine, waterproof and fireproof with good rebound elasticity. glass wool board 1) Picture: 2) Description Adapting the advanced centrifugal blowing process ... glass wool's good performance, e.g., thin and long inner fiber, low thermal conductivity, it can stop air flowing and ... ,24,32,40,48Batt1160-1200410-610100-20010-48 glass wool board