Heat Strengthened Glass Description: Heat strengthened glass is made by evenly heating flat glass to approximately 620 centigrade degree. The ceramic roller transmits glass at a stable speed to ensure an even temperature and optical performance. ... - Update: 2006-08-02

Flat Tempered Glass Description: Tempered glass is made by heating flat glass to just below its softening temperature and suddenly chilling it with jets of cold air. It results the outer skins under powerful compressive stress and the interior w... - Update: 2006-06-15