Nylon, abbreviated PA, is a versatile semi-crystalline engineering thermoplastic with a well-balanced profile of properties.
Advantages:
(1) It offers high mechanical strength, excellent toughness, and outstanding resistance to wear and compression. (2) Its fatigue resistance is remarkable, capable of withstanding repeated flexing and impact. (3) The material has a naturally smooth surface with a low friction coefficient, granting it excellent wear resistance. (4) It exhibits good corrosion resistance, tolerating alkalis, most salts, weak acids, oils, and greases. (5) It is non-toxic, resistant to biological erosion, and possesses good antimicrobial properties. (6) It has good heat resistance, with a wide service temperature range from -40°C to over 100°C for long-term use, and short-term exposure up to 150-180°C for some grades. (7) It boasts excellent electrical insulation properties. (8) Parts are lightweight, easy to color, and generally easy to process.
Disadvantages:
(1) A primary drawback is its tendency to absorb moisture from the environment, which affects dimensions and mechanical properties. (2) It has poor resistance to UV light and requires stabilizers for outdoor use. (3) It is not resistant to strong acids and oxidizing agents. (4) Successful part design requires careful consideration of its moisture sensitivity and mold shrinkage to control tolerances.
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