... 4.Edge:Flat,Polished,Grind Tempered glass is a type of glass with even compressive stress on ... it down rapidy by air.During the instant cooling process,the exterior of glass is ... -resistant srength, Thermal stability ,Good flexibility and the glass prices is competitive.COLOR:clear ,ultra-white ... Thickness:4mm,5mm,6mm,8mm,10mm,12mm,15mm,19mm.QUALITY:Pass China Safety Glass Compulsory Certification ...