... electrical flame retardant, commonly used in the food machinery, textile machinery, engineering machinery, and so on.PEI bushing,PEI bearing,PEIbar, ... , nylon rods, oil nylon, nylon 66 products, nylon fittings, nylon gears, nylon bearings, nylon-core, high-strength nylon ... ether ketone, hydraulic oil seal, rubber pipe, water pipe fittings, food grade rubber ring, seals, insulation rings, shower rubber ...