Glass failure analysis expert analyzes failed glass baking dish”Pyrex”. Traditionally, glass baking dishes have been made from annealed borasilicate glass (i.e. Pyrex glass). Now baking dishes are made from tempered glass. The glass is still called pyrex but it is really tempered glass (soda lime). As a result of this change, the newer dishes are […]
Glass Expert discusses Why Tempered Glass Is Safety Glass
Tempered glass is safety glass because it breaks into small cubes. The edges of these cubes are still sharp. They are not “rounded”. From a glass expert point of view, the safety aspect comes strictly from the small size, which is a function of the temper stress. If these pieces are interlocked, they can behave […]
Video of Tempered Glass Failure
Read Consulting glass failure experts filmed in real-time the failure of a 7′ x 1′ u-shaped piece of tempered glass. The objective was to demonstrate how rapidly the glass falls apart and to assess the danger to one standing underneath a failed piece of tempered glass. Tempered glass self destructs once its compressive layer has […]
Glass Failure Analysis of Vehicle Windows
Glass Failure Expert reminds users that there are two types of windows in automobiles. All the side and rear windows are made with fully tempered glass. This is required for safety. These windows will break into small “cubes”, and they are less likely to cut the occupants during an accident. The windshield is made from […]
Tempered Safety Glass
California Glass Failure Analysis Expert discusses safety aspects of tempered glass:The following codes interpret tempered glass for use as safety glass for the consumer:Code of Federal Regulations (CFR) #16 Part 1201 1997, ANSI Z97.1-2004 and CAN/CGSB-12.1-M90 all discuss the safety aspects of tempered glass. All basically state that tempered glass is safer because it breaks […]
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