... soft, fine, waterproof and fireproof with good rebound elasticity. fiber glass wool 1) Picture: 2) Description Adapting the advanced centrifugal ... we produces glass wool is soft, fine, waterproof and fireproof with good rebound elasticity (veneering like reinforced aluminum foil can ... fine appearance. Owing to glass wool's good performance, e.g., thin and long inner fiber, low thermal conductivity, it ...