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Help CenterJapanese Polyoxymethylene: POM M90-44 Copolymer
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Polyoxymethylene (POM)
Polyoxymethylene, also known as polyoxymethylene (abbreviated as POM in English), is referred to as Delrin or Teflon. POM-H (polyoxymethylene homopolymer) and POM-K (polyoxymethylene copolymer) are high-density, high-crystallinity thermoplastic engineering plastics with excellent physical, mechanical, and chemical properties, particularly high wear resistance.
Polyoxymethylene exhibits excellent comprehensive properties, such as high crystallinity and high density.
Polidimethylsiloxane is a smooth, high-gloss, hard, and dense material, typically beige or milky white (referred to as the natural color), which can be used for long periods within a temperature range of approximately -41°C to 100.5°C. Its wear resistance and self-lubricating properties rank among the top in engineering plastics, along with excellent oil and peroxide resistance. However, it exhibits poor resistance to strong acids, alkalis, and ultraviolet radiation.
Physical Properties:
POM exhibits a tensile strength of up to 70.05 MPa, low water absorption, excellent dimensional stability, and high gloss. These properties surpass those of nylon (PA). As a highly crystalline resin, POM is the most resilient product among thermoplastics. It demonstrates superior heat resistance, high flexural strength, excellent fatigue resistance, wear resistance, and outstanding electrical performance.
POM Features:
With a low coefficient of friction and excellent dimensional stability, it is commonly used for manufacturing gears and bearing products;
It has high-temperature resistance properties, making it suitable for applications such as pipeline valves, pump housings, and lawn equipment (light covers, light housings);
It is a tough and elastic resin that maintains excellent creep resistance, dimensional stability, and high impact resistance even at extremely low temperatures;
The high degree of crystallization results in a relatively high shrinkage rate, which can generally reach 1.98% to 3.45%. The shrinkage rate varies among different reinforced materials;
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