... notch impact strength 3.High heat deflection temperaturePolyamide barName: PA(Nylon, Polyamid)Colors Include:--Natural White, Black, Other ... good resistance to wear and heat deflection temperature.II. PA CharacteristicsAdvantage:1. High strength and stiffness 2. High ... .3. Poor lightfastness, poor endurance in pollution. III. PA Applications Bearings, gears, wheels, roller shaft, water pump impeller ...