The abrasion resistant is 5 multiple more than pure natural rubber, and the oil resistant is 3-5 multiple more than NBR rubber, and have high elasticity 65% with prominent compression resistant at high temperature. With broad hardness range on 15-98 Shore A, very good viscidity with metal material, Polyurethane Rod is a new macromolecule material with fast evolutive now. Apply to military, mine, oil field, chemical, printing, punch, paper making, spin, auto and etc seal industrial.