Square glass sheet Asbestos Jointing Sheet, Exhaust Gasket Material For Cylinder, Gasket Sheet, Gauge Glass, Gland Packing, Level Gauge, Non-Asbestos Jointing Sheet, Quartz Glass, Sight Glass The specification should be confirmed before put the sheet glass into the toughening furnace, the tempered glass can't be cut anymore after out of the toughening furnace, otherwise it will be broken. Feature: 1. 4-5 times impact strength and bending strength than ordinary glass of the same thickness; 2.Once breakage occurs, the glass disintegrates into small cubical fragments, which are relatively harmless to human body; 3.It withstands abrupt temperature change of 220 Centigrade.And…