1. Material: MC nylon, OILON, PA6, PA66. 2. Properties: heat resistance, wear resistance, good ... 1.05-1.15. Copper pipe can be replaced with nylon directly to the liquid flow, and freedom of bending according ... to user needs.Application Nylon is best for large gears, worm gear, bushings, large valve sealing surface, guide ring, guide, ball bearing retainers, etc ...