·Thickness:0.33mm                       

 Hardness:9H                                 

 Tempered time:4H                      

Toughness testing: can be folded at 90°or be "U" shape.                     

Ball dropping testing:64g steel ball,dropped from 100CM to the center 3 times,do not broken         

 Water drop testing:   ≥115 °, after rubbed by 1*10000# 1KG 5000 times, still keep above 100 °.