Glass is potentially very strong; however, the strength is significantly reduced by the presence of tiny surface defects, known as Griffith Flaws, which act as points of stress concentrations from which cracks propagate. The strength may be further weakened by visible defects.
Most glass breakage is caused by one or more of the following conditions:
* Surface or edge damage
* Weld splatter
* Windborne debris
* Glass to metal contact
* Thermal overstressing
In order to minimise the risk of glass breakage a th ermal stress analysis should be carried out prior to the glass processing. The glass should always be stored in clean and dry conditions away from direct sunlight or excessive moisture. Glass should always be protected during handling, transport and storage at all stages including during glazind. For further assistance please contact your Guardian representative.
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