China supplier good quality low iron clear tinted 8mm 10mm 12mm toughened glass price

8mm 10mm 12mm toughened glass is produced by heating the 8mm 10mm 12mm cut to size edgeworked glass sheets to around 650 degrees temperature in the glass tempering furnace and then cooled down rapidly by a strong wind jet. This thermal treatment can form a very strong compression on the 8mm 10mm 12mm toughened glass surface whereas still tense interior of the glass. This compression and tension are in balance status, which is also called pre-stress treatment.