Asahi Kasei TENAC™-C 4590 Hot Sale POM Resin

Asahi Kasei TENAC™-C 4590 is an unreinforced polyacetal (POM) copolymer resin designed for injection molding, recognized for its food-grade compliance and balanced mechanical properties.

Physical Properties

  • Density: As per ISO 1183, the material’s density is 1.41 g/cm³, specifying its mass per unit volume for engineering applications.
  • Shrinkage (Flow): Using an internal method, flow-direction shrinkage ranges from 1.6–2.0%, indicating variability in dimensional change during molding.
  • Water Absorption : Following ASTM D570, water absorption after 24 hours at 23°C/50% RH is 0.2%, reflecting low moisture uptake in ambient conditions.
  • Melt Index : According to ISO 1133, the melt index at 190°C with a 2.16 kg load is 9 g/10min, characterizing the material’s flowability during processing.

Polymer Properties:

  • Base Material: Polyoxymethylene (POM) Copolymer
  • Modification Features:
    • Achieves an HB flame retardancy rating, providing basic fire – resistance properties.
    • Certified as a food contact grade material, ensuring safety for applications involving food.
    • Good mechanical properties for general – purpose use, with balanced strength and toughness.
    • Suitable for injection molding, allowing for the production of various complex parts.

Applications:

  • Automotive Components
    TENAC™-C 4590 is widely used in automotive applications due to its durability, low friction, and resistance to oils and organic solvents. Its ability to maintain dimensional stability under long-term loading makes it ideal for:
    • Fuel Pump Modules: The resin’s low wear and chemical resistance ensure reliable performance in components exposed to fuels.
    • Gears for Motors: Used in door, window, wiper, and seat motors, where its self-lubricating properties and toughness enable smooth operation and longevity.
    • Interior Fittings: Low volatile organic compound (VOC) emissions make it suitable for cabin components, contributing to improved in-car air quality.
  • Medical Equipment
    The food-grade compliance and excellent sliding properties of TENAC™-C 4590 make it a preferred material for medical device components that require precision and reliability. Notable applications include:
    • Infusion Pump Guides: The resin’s high friction and abrasion resistance ensure stable, long-term performance in components that interact with medical tubing.
    • Lancets: Its moldability and dimensional stability support the production of precise, reliable lancet components for medical diagnostics.
      Note: TENAC™-C 4590 should not be used for parts in direct contact with body fluids, infusions, or implantation, as specified by Asahi Kasei.
  • Home Improvement Hardware
    The resin’s self-lubricating nature and durability make it ideal for home improvement applications, particularly in components requiring smooth operation and resistance to wear:
    • Sliding Door Wheels: TENAC™-C 4590 enables smooth, quiet opening and closing of sliding doors, leveraging its low-friction properties.
    • Furniture Components: Used in fittings and structural parts that require dimensional stability and resistance to repeated loading.
  • Office Automation Equipment
    In office equipment, TENAC™-C 4590 is valued for its wear resistance and ability to handle torque and rotational accuracy in moving parts:
    • Printer Gears: The resin’s low friction and high durability make it suitable for gears that transfer torque in printers, ensuring reliable operation over time.
    • Structural Components: Its balanced mechanical properties support versatile structural parts in office machines, such as copiers and scanners, where wear resistance is critical.

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