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Trident Plastic Engineering Pty Ltd

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44 Munibung Road
Cardiff NSW 2285


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Acetal

At Trident we offer both homopolymer and copolymer grades of Acetal rod, sheet and tube. Ertacetal®C (Acetron® GP) is porosity-free and offered as our standard general purpose grade. For slightly higher mechanical properties, we offer as a non-standard, homopolymer Ertacetal® H (Acetal) (Delrin®) products.

 

Ertacetal® H (Delrin®), homopolymer acetal rod, sheet and tube offer slightly higher mechanical properties than Ertacetal® C Acetal, but may contain a low-density centre, especially in larger cross-sections. Ertacetal® C (Copolymer) also offers better chemical resistance than homopolymer acetal. Ertacetal® H is suitable for small diameter, thin-walled bushings that benefit from the additional strength and rigidity of homopolymer acetal.

 

It is the preferred acetal for food contact and medical applications. Acetal is a semi-crystalline material with high strength, a low coefficient of friction and good wear properties especially in wet environments (resistance to hydrolysis).

 

Advantages of Acetal Rod, Acetal Sheet and Acetal Tube:

Acetal’s great machinability together with its dimensional stability, mechanical strength, zero moisture absorption and good load-bearing properties make it ideal for close-tolerance parts.

 

Key Features of Acetal Rod, Acetal Sheet and Acetal Tube:

  • High hardness and stiffness
  • Very high mechanical properties
  • Excellent creep resistance and dimensional stability
  • Excellent dielectrical properties
  • Low co-efficient of friction

 

Applications of Acetal Machined Parts:

  • Precision gears
  • Bearings with close tolerances
  • Electrical engineering insulators
  • Compact bearing assembly
  • Snap fit assemblies
  • Parts which operate in water between 60 to 90;C