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3. Follow the conveyor belt fabric layer is divided into tensile strength 

of ordinary conveyor belt, powerful conveyor belt. Powerful canvas into 

nylon conveyor belt conveyor belt (NN conveyor belt) and polyester conveyor 

belt (EP conveyor belt). Additional information: strong layer of strong 

polyester canvas conveyor belt (EP), also divided into type EP100, EP150 

type, EP200 type, EP250, EP300 type, EP350 type, EP400 type, etc; can also 

be nylon canvas (NN) It can be divided into NN100, NN150, NN200, NN250, 

NN300, NN350, NN400, NN450, NN500 type.
⑴, general conveyor belt (including high-strength nylon conveyor belt) 

product implementation GB7984-2001 standard. General conveyor belt: cover 

layer: tensile strength of not less than 15Mpa, tearing elongation of not 

less than 350%, the amount of wear ≤200mm3, adhesion strength between 

layers of cloth layer longitudinal sample average of between not less than 

3.2N / mm, plastic cover and between the fabric layer is not less than 2.1 

N / mm
Full thickness longitudinal elongation at break of not less than 10% full 

thickness longitudinal reference force the elongation is not more than 1.5% 

nylon (NN), polyester (EP) conveyor belt: cover layer: tensile strength of 

not less than 15Mpa, tearing elongation of not less than 350%, the amount 

of wear ≤200mm3 layer between the adhesive strength between the average 

longitudinal sample fabric layer is not less than 4.5N / mm, cover with a 

cloth between the rubber layer is not less than 3.2 N / mm