... E, On-line SUN-E and so on.Color: clear,royal blue,ford blue,ocean blue,F-green,green, ... the glass is rapidly cooled with jets of cold air to 40°,through the procedures, the original glass is ... softening temperature and suddenly chilling with jets of cold air to change the mechanical intensity strengthen and the stability ... glass edge3.wash dry glass4 toughen glass Packing clear float toughened glass