Ordinary conveyor belt to implement the GB7984-2001 standard.       

Ordinary belt: cover: tensile strength of not less than 15Mpa, tensile elongation of not less than 350%, the wear volume is less than or equal to 200mm3; bonding strength between the layers is not less than the average value of the longitudinal 3.2N/mm cloth layers; cover rubber and cloth layers is not less than 2.1N/mm; the thickness of longitudinal elongation of not less than 10%; the thickness of longitudinal reference force elongation is not greater than 1.5%.       

Niron (NN), polyester (EP) conveyor belt: cover: tensile strength of not less than 15Mpa, tensile elongation of not less than 350%, the wear is less than 200mm3, bonding strength between the layers is not less than the average value of the longitudinal 4.5N/mm layers of cloth, cover rubber and cloth layer is not less than 3.2N/mm, the thickness of longitudinal elongation not less than 10%, the thickness of longitudinal reference force elongation of not more than 4%, plastic cover with rubber blend, the tensile strength coefficient of skeleton GB level, can lap the ring.