All our buckles follow the below tech. reqm't.
Item No. | Reqm't Title | Reqm't Value |
1 | Open force of buckle |
before and after durability test F60N |
2 | Tensile strength of buckle | F14.7KN |
3 | durability test of buckle | work as usual after 5000 times test |
4 | temperature endurance test for buckle | under -10°C±1°C for 2H,cohesion parts can be meshed together by hand |
5 | dynamic test | displacement of dummies(mm):torso100~300 / hip 80~200 |
6 | Salt spray test | Salt spray test for 50 hours |
7 | Cold shock test | Should be work normally after test |
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