According to the standard regulations, seat belts and safety ropes should be made of nylon, viscose, and silk materials, and metal accessories should be made of ordinary carbon steel. In fact, due to the low strength of vinylon material,
Firstly, let's talk about which aspects of daily life use seat belts. Firstly, in transportation such as cars and airplanes. It is mandatory to fasten seat belts during driving and during aircraft takeoff and landing.
The static load test is mainly to verify the maximum tensile force that the safety belt can withstand in a stationary state, to ensure that it can withstand the weight of the operator and the possible impact force in actual use.