Polyester conveyor belts also called EP conveyor belts, whose tension 
resistant body is canvas woven by polyester in warp and polyamine in weft. 
The belts have the characteristics of low elongation in warp and good
trough ability in weft, good water resistance, good wet strength, no mould
is suitable for medium, long distance and heavy-load transportation of
materials. Because of the high initial modulus of polyester, the belts can
choose a relative low safety factor