... extension,good fastening,good adhesion,friction-resistance,softnessProduction methods: shape, flat-panel vulcanizer curing method Product Features: This product is rubber ... than 10% of the entire thickness of the vertical reference edge elongation of not more than 1.5% Nylon (NN), polyester ... , NN150, NN200, NN250, NN300, NN350, NN400, NN450, NN500, etc. rubber transmission belt