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ACETAL

ACETAL
 ACETAL | ENGINEERING PLASTICS ONLINE

 

Acetal (also known as POM and Delrin) is a hard engineering thermoplastic used in manufacturing of precision parts that require high stiffness, dimensional stability and low friction. Acetal is sometimes referred to as Delrin®, Sustarin®, Tecaform®, Ertacetal®/Acetron®, Ensital® and Zellamid®.

Brand: Dynex.

Our Acetal is FDA and RoHS approved.

 

ACETAL IS USED FOR: PERFORMANCE CHARACTERISTICS:
  • Bearings and bushings
  • Pump and valve parts
  • Gears
  • Jigs and fixtures
  • Food processing
  • Packaging machinery parts
  • Wear pads
  • Electrical components
  • High strength,
  • Low friction 
  • Excellent wear properties in both wet and dry environments
  • Easy to machine

 

 

 


FAQ:

 

Are Acetal and Delrin the same?

These two polymers share many similar characteristics, there are definitely some significant differences that can impact your choice of material.

Acetal is the name for a family of thermoplastics called PolyOxyMethylene (POM). Acetal is available in two types of resins: Copolymer acetal (POM-C), and homopolymer acetal (POM-H) also called Delrin®. Both are acetal polymers, but each has its own advantages and disadvantages.

Advantages of POM-C over Delrin® are:

  • Better dimensional stability due to its lower level of crystallinity
  • Better resistance to hot water and strong caustics, or high pH (basic) solutions
  • Lower coefficient of friction and better impact and wear properties, especially in wet or moist environments

Advantages of Delrin® over POM-C are:

  • Greater stiffness, with higher flexural modulus at room and elevated temperature applications
  • Slightly higher tensile and impact strength at room temperatures
  • Slightly harder, thus giving the homopolymer acetals a lower coefficient of friction

How strong is acetal?

Acetal has outstanding flexural and tensile strength (up to 9,500 psi), as well as excellent hardness and dimensional stability.

 Does acetal absorb water?

 

Acetal offers especially low moisture sensitivity in wet environments and resistance to a wide range of chemicals including many solvents.

Is acetal recyclable?

 

Yes, acetal can be reground and recycled.

Is acetal food grade plastics?

 

Yes, our acetal is FDA approved.

 

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DISCLAIMER: It's always the clients decision to ensure that the materials are right for the specification.