... thickness:4-19mm 4.wooden crate NameTempered glass,toughened glass,building glass,safety glass,glassSpecification1)Max Size:2440*6500mm,Min ... ISO9001:2000,CCC Packing Wooden cratesTempered glass(toughened glass) is regular glass that has been heat treated to increase ... fireplaces equipped with a grate to hold the burning wood.Tempered glass can withstand constant temperatures of 470° ...