... and heat deflection temperature. II. PA Nylon Characteristics (PA flexible pipe): 1. High strength and stiffness 2. High ... Food safe, noise reduction III. PA Nylon Disadvantages (PA flexible pipe): 1. Poor dimension stability, electrical and mechanical properties ... poor endurance in pollution. IV. PA Nylon Applications (PA flexible pipe):Bearings, gears, wheels, roller shaft, water pump impeller, ...