Purpose:
To determine whether tempered glass or not
Procedure:
Use clear gummed tape to prevent glass fragment splashing.
Freely drop the tempered glass from enough high level. After the tempered glass was broken, check the small glass piece, it could not be injured the user
Acceptance Criteria:
The maximum length of small glass piece is 75 mm
The small glass piece should not less than 40 within 50*50mm
If any fault was found during testing, please state on report as special attention and take legible photo.