Glass Heat Strengthening
Heat Tempering (Standard ASTM C-1048-04)
Heat Tempering toughens soda lime through the controlled heating and cooling of the glass to maintain a temperature differential between the core and outer surfaces. The stressed induced compress the outer surfaces, forming a substrate substantially tougher than standard soda lime. When broken, tempered glass “dices” into many small pieces. This is typically referred to as “Safety Tempering” for it’s reduced likelihood of cutting a person in the event of a fracture.
Horizontal Heat Tempering Furnace
Minimum Thickness
3 mm [0.118"]
Maximum Thickness
19 mm [0.75"]
Minimum Size
76.2 mm x 76.2 mm [3" x 3"]
Maximum Size
838.2 mm x 736.6 mm [29" x 33"]
Maximum Size (Diagonal)
1056.8 mm x 736.6 mm [42" x 29"]*
Treatment
Temper Kind Full Temper (FT) or Heat Strengthened (HS)
* Contact us for sizes beyond these dimensions.
Learn more about Chemical vs. Heat Strengthening of Glass Substrates.