fiber glass 28/25kg,2000pcs,42*35*30cm(wooden case) 12/11kg,800pcs,38*25*13cm(carton) fiber glassSpecifications1.Diverse colors, such as ... :safety: After breaking to fragments, not to hurt body. Strength: It has 4-5 times strength than ordinary glass. Hot stability: It ... hot stability, which can endure 3 times temperature than ordinary glass, also can endure changing of above 200°C . Products ...