... strong elastic wear-resistant rubber, used for transmission of small and medium blocky, granular, powder-like objects, suitable for high-speed ... NN100 NN125 NN150 NN200 NN250 NN300 NN400Uses: suitable for medium and long-distance, high load, high-speed delivery of materials ... elasticity, impact resistance, wear resistance.2, Qu flexible, and easy into the slot3, mold corrosion does not occur fabric ...