Fully Tempered & Heat Strengthened Glass

TUFF TWELVE GLASS Fully Tempered and Heat Strengthened glasses are of supreme industrial grade. They are produced by processing glasses in Horizontal Roller Heath Oscillating Tempering Furnace at typically 625° – to form uniformly heated glass which is then rapidly cooled in a process called ‘quenching the glass’ by simultaneously blowing air through evenly distributed high-pressure air nozzles on both sides of the glass.

A high air-flow rate is used to produce TUFF TWELVE Fully Tempered Glass and a much lower airflow rate leads to the production of TUFF TWELVE GLASS Heat-strengthened Glass. Both the glasses have increased strength to resist higher levels of impact, mechanical load and thermal stress.

Fully Tempered Glass

Features

Qualities

Four to five times stronger than annealed glass of the same thickness and configuration
When broken, tempered glass fractures into small fragments. This reduces the possibility of serious injury when compared to annealed glass
High mechanical strength from stress-induced toughening process
High thermal strength when compared with annealed glass.
Can withstand temperature differential of 250° C.
Stable at temperatures ranging from -70° to 250° C
Higher mechanical strength means it can be used with mechanical fittings like Patch, Spider, Hinge, Disc, Point Fixing
Offers Solar Control and UV elimination properties

Heat-strengthened Glass

Qualities

Three times as strong as annealed glass of the same thickness and configuration
Relatively lower optical distortion when compared to tempered glass.
Fractures like annealed glass. Tends to remain in the opening when broken.
Intended for general glazing where additional strength and/or resistance to mechanical and/or thermal stress is desired.
Should not be replaced where safety glazing is required.