High mechanical strength, good toughness, high tensile and compressive strength. The specific tensile strength is higher than that of metal, and the specific compressive strength is comparable to metal, but its rigidity is not as good as metal. The tensile strength is close to the yield strength and is more than twice as high as ABS.
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Description
1. High mechanical strength, good toughness, high tensile and compressive strength. The specific tensile strength is higher than that of metal, and the specific compressive strength is comparable to metal, but its rigidity is not as good as metal. The tensile strength is close to the yield strength and is more than twice as high as ABS. It has strong ability to absorb impact and stress vibration, and its impact strength is much higher than that of ordinary plastics, and better than acetal resin.
2. Outstanding fatigue resistance, the parts can still maintain their original mechanical strength after repeated bending. PA is often used in common escalator handrails and new bicycle plastic rims where periodic fatigue effects are obvious.
3. High softening point and heat-resistant (such as nylon 46, etc., highly crystalline nylon has a high heat deformation temperature and can be used for a long time at 150 degrees. After PA66 is reinforced with glass fiber, its heat deformation temperature reaches more than 250 degrees).
4. The surface is smooth, the friction coefficient is small, and it is wear-resistant. It has self-lubricating properties and low noise when used as movable mechanical components. It can be used without lubricant when the friction is not too high. If lubricant is really needed to reduce friction or help dissipate heat, water, oil, grease, etc. can be selected. Therefore, it has a long service life as a transmission component.
5. Corrosion resistance, very resistant to alkali and most salt liquids, also resistant to weak acids, engine oil, gasoline, aromatic hydrocarbons and general solvents, inert to aromatic compounds, but not resistant to strong acids and oxidants. It can resist the corrosion of gasoline, oil, fat, alcohol, weak alcohol, etc. and has good anti-aging ability. It can be used as packaging material for lubricating oil, fuel, etc.
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