... 0.50±0.0510 Width mm 800-1400±10 800-1400±1011 Length m/roll 400-800 400-800Note: the above indexes is ... , higher loading capacity, high-speed. 4.NN canvas ,NN belting fabric ,dipped fabric ,dipped NN fabric, dipped NN canvas,EP belting fabric,PP belting ... fabric,belting fabric,NN 80 belting fabric. nn belting fabric NN-80