... fabric-polyester contton canvas 2)Buffer rubber-CR,EPDM 3)Tensile member-polyester,nylon 4)Bottom rubber-CR, ... PK ribbed v-belts for automobile: Automobile PK V-ribbed belt section TypeRib sectionAngle of ... rotation,reverse flexure,small band pulley,ect.3)Core rubber with high tension and low elongation,while the ... packed in export standard cartons(Meas.65x37x27cm). V belt 8PK1760