Automotive Dictionary: Glass, Toughened

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Automotive Dictionary: Glass, Toughened


Throughout this site we use many technical terms, and given the breadth of readership our site enjoys, sometimes we are remiss and incorrectly assume everyone knows what we are referring to. For those that do not, here are some explanations of the technical terms use.
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Glass, Toughened


Used for windscreens and other glass panels on certain vehicles. Such panels are produced to a pre-set size and shape by a process of heating the glass and then rapidly cooling it. This technique causes residual internal stresses, greatly increasing its strength and reducing its liability to fracture. In the event of fractures resulting from an accident or a blow to the glass it results in fragmentation of the glass into fairly harmless particles.
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