Type of glass |
Only glass pack from polished glass, rolled sheet glass, laminated glass, ornamental glass. |
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Examples |
Too small gap between the pieces of glass when internal decorative frames are used; Huge differences of air pressure, temperature and / or height between glass pack production and the mounting place. |
Beginning |
Edge crack angle in all directions, not upright; Transition angle not upright; Usually it is impossible to attribute unambiguously. |
Lines of process |
Always last from edge to edge; Direct break lines, in the area of the edge often turning away from the decorative belt; Break parallel to the decorative frame; Often transfer of the break edges. |
End |
Usually it is impossible to attribute unambiguously; Direct break lines, last till the edge. |
Other features |
Small curvilinear cracks in the middle area; Often in the gap of the pieces of glasses; Possible to avoid, using the single safe glass or producing with a larger gap between glasses. |