Corner break from the hit

Mechanic spot load – short-term – small/medium intensity
Type of glass

Polished glass, rolled sheet glass, laminated glass, ornamental glass.

Examples

Placing on the stone or metal;

Hit on the corner by the metal object;

Glass rotation/turning over the angle.

Beginning

Edge crack angle in all directions, not up right;

Transition angle is not upright;

The curvilinear cracks of the edge in the beginning are of different sizes, depending upon the force of the hit;

The clear centre in the corner.

Lines of process

Beam forms from the corner;

Break lines from direct to angular ones;

Often do not last till the edge.

End

Direct lines;

In the middle of the glass or last till the edge.

Other features

Clear curvilinear cracks in the beginning of fragmentation