The values of these mechanic properties for Templex are the following: - Break tension-working Traction-Flexion between 1,300 and 1,900 Kp/cm2
- Resistance to compression about 10,000 Kp/cm2
- Resistance to impact measured by test, dropping a steel ball from a variable height, depending on the thickness of the tempered glass and the Protocol Essay used.
The Resistance to thermal shock of Tempering is about 250 º C.
The Heat Soak Test
The glass may have sulphur of nickel occlusions, which when warming over certain temperatures not too high, vibrate, which creates tension in the tempered glasses and provokes their collapse. This phenomenon is especially serious in curtain wall, facades, because the cost of replacement of a piece is very high.
To avoid there phenomenon, the best is that the pieces undergo a process in which they suffer extremely have sulphur of nickel occlusions collapse during the text. This test is called Heat Soak Test, and to do it, Cristalglass is equipped with an equipment which combines reliability and short time of execution.
Summing up, the test consist on introducing the pieces in chamber prepared to rise gradually for 5 hours the air temperature until it reaches almost 300 º C, keeping it for 6 or 8 hours and then cooling it down to 81 º C in other 12 hours.
