Ordinary conveyor belts implement GB7984-2001 standard.
Ordinary conveyor belt: covering layer: tensile strength is not less than 15Mpa, tearing elongation length is not less than 350%, abrasion ≤ 200mm3; The average value of the longitudinal sample of the interlayer adhesive strength is not less than 3.2N/mm; The covering glue and the cloth layer shall not be less than 2.1N/mm; The longitudinal tearing elongation of the full thickness is not less than 10%; The longitudinal reference force elongation of the full thickness is not more than 1.5%.
Nylon (NN), polyester (EP) conveyor belt covering, tensile strength is not less than 15Mpa, tearing elongation length is not less than 350%, interlayer adhesive strength longitudinal sample average distribution layer is not less than 4.5N/mm, covering glue and cloth layer between not less than 3.2N/mm, full thickness longitudinal tearing elongation is not less than 10%, full thickness longitudinal reference force elongation is not more than 4%, covering glue is made of rubber and plastic blending, skeleton national standard level tensile strength coefficient, can be lapped into a ring.