That depends on how the glass is fabricated and finished and the environment it is in, and the type of glass. In general, and approximately,
For perfect glass fibers, strength is 500,000 psi (3500 MPa).
For polished glass windows, in air, strength is 7000psi (50MPa)
For scratched glass, 100 micron deep scratch, it is 2500 psi (20 MPa)
For scratched glass in high humidity for several years it is 1000 psi ( 7 Mpa)
Single Strength Glass is 3/32" thickness and Double Strength Glass is 1/8" thickness.
No, heating and cooling does not effect the strength of a glass
No, double strength glass is just 1/8" thisck vs. 1/16" of single strength
That depends on how the glass is fabricated and finished and the environment it is in, and the type of glass. In general, and approximately, For perfect glass fibers, strength is 500,000 psi (3500 MPa). For polished glass windows, in air, strength is 7000psi (50MPa) For scratched glass, 100 micron deep scratch, it is 2500 psi (20 MPa) For scratched glass in high humidity for several years it is 1000 psi ( 7 Mpa)
Double Strength Billet (DSB) glass
It depends upon the strength of the glass.
1.To provide the strength of the glass, 2.To obtain mass production of glass.
No,it is flaw size that control the strength.
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Um NO you temper glass the same as you temper any thing else. You have to heat it up. it cant be cut after it has been temoerd either. Cross section of glass has two areas, compressive strength area and tensile strength area. When glass is heated above 600 degree and fast cooled, the compressive strength area expands. Since glass has more compressive strength than tensile strength, it becomes difficult to break it. Tempered glass, especially toughened glasses are 4 to 5 times stronger than normal glass. These glasses break into small circular fragments. Normal glass breaks into sharp pieces and is a safety hazard. You may also refer this link for mare on tempered glass -https://theglassblog.wordpress.com/2011/01/18/glass-tempering-or-toughening-process/
You need to use tempered glass only.