... 2.polished edge, hole edge can polished 3.size according to customer. glass panel for kitchen1, safety: qualified toughened glass breaks, its ... flexural strength can achieve 2OOMpa.4, optical properties: optical properties of toughened glass in the process does not change.5, heat ... float glass.2, effectively resist heat stress, avoid glass of hot blast crack.3, broken, semi-tempered glass fragments ...