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# Glass Bursting pressure

## Glass Bursting pressure

(OP)
Hi,
I need to know the bursting pressure of both laminated glass (100mmOD,3mm thk) and Toughened glass (100mmOD,3mm thk).
Do I need to do the test myself and find out or would this information be available with glass manufacturers / reference books etc.

Pras

### RE: Glass Bursting pressure

You can get the mechanical properties and burst pressure equation (for fused silica glass tubing and windows at
http://www.technicalglass.com/tgphiqu.pdf

GE has some online calculators for thickness of quartz glass pressure vessels and viewing windows. Example #1, for 100 mm diameter tube and 3 mm thickness, allowable pressure is 30 psi.  Example #2, for 100 mm (unsupported portion of diameter), a 3 mm thickness can only withstand 3 psi. These are for a max. design stress level of 1000 psi.
Imagine that you can make a proportional adjustment according to the physical properties of whatever glass you are using.
http://www.gequartz.com/en/tools.htm

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