Standard for bending test of heating wire
The number of bending of the heating wire directly affects the service life of the heating wire , the less the bending number means the shorter the product life , just like the battery, the use of less once, about the technical standards of the heating wire , “Shenzhen XingGuang Electric heating Products Co., Ltd.” is summarized as follows......
Technical standards: UL758 related standards
Test structure: S-bend experiment
Bending times: more than 25,000 times
Swing test: more than 5000 times
Outer diameter tolerance: ±0.15MM
Resistance tolerance: ± 5%
Shenzhen XingGuang Electric Heating Products Co., LTD. , below is the testing of heating wire bending test diagram