|Conveyor belt used to have to pay attention to the problem|
1. When the core material is vinylon or canvas, the longitudinal elongation of the belt is less than 20%
2. When the rated force is one tenth of the pull force, the test elongation shall not exceed 4%;
3. If necessary, the test piece soaked 8h or more, to be dry after 1h for pull off, tear and elongation test.