Do you know how to test if the glass can resist impact?
Jun 13, 2026
In normal life, the normal glass may break easily under hit by stone. But tempering can improve the impact resistance 5-6 times.
Do you know if the impact resistance ability can meet your expect? IK test can tell, below is a video to tell one of test method to perform(Drop ball test):
How to set your needed IK class? See picture below for weight and height:







