delay breakage in tempered glass

what is reason of spontanous breakage in full tempered glass?

Guest User
Thu, 22/11/2001 - 13:52

Spontaneous breakage may be the result of one or more of the following: surface or edge damage to the glass, deep scratches the glass surface, glass to metal contact and mostly the nickel sulfide inclusions. This breakage may occur days, or even months, after the initial damage.

Guest User
Fri, 23/11/2001 - 05:12

Reply to [B]Hubert[/B]:

> Spontaneous breakage may be the result of one or more of the following: surface or edge damage to the glass, deep scratches the glass surface, glass to metal contact and mostly the nickel sulfide inclusions. This breakage may occur days, or even months, after the initial damage.
>
>

When you tempered a glass you are creating compresion forces. If the glass is not well tempered it could break without any reason. But the problem is that a better tempered glass is normaly less beutiful optically. You could break some sample glass in order to see a breakage pattern according to intenational codes to avoid buying bad tempered glass.

Guest User
Tue, 27/11/2001 - 12:53

I would also like to tell that is not good to sandblasted, grind and etched the glass after tempering because you can weakened or penetrated glass surface and cause spontaneous breakage.

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