Square glass sheet 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 once tempered, can not be cut down and any further processing work; 4.Suitable for use as a safety glass as defined by consumer product safety association Gauge Glass, Level Gauge, Quartz Glass, Reflex Gauge Glass, Sight Glass, T…