Balls: Acetal (Technical name for Acetal is Polyoxymethylene)


Size Range





Additional Services:  Special sizes upon request.

Acetal (POM) is considered a high performance plastic. This particular plastic has excellent; chemical resistance, solvent resistance, wears properties and is self lubricating. The natural color of Acetal is “off-white”; colorant can be added to the raw material to meet the customer’s needs. This material, in its natural state, is heavier than water; meaning it will sink in water. The maximum continuous operating temperature in air for Acetal is approximately 185°F. Acetal ball blanks are injection molded or turned from extruded rod.

Approximate Values (Acetal)

Chemical Resistance

Specific Gravity (grams/cc)

Hardness (Rockwell)

FDA Grade Available

Maximum Operating Temperature

Inert to most chemicals

1.4M 89

R 122


185 Degrees Fahrenheit

Typical Applications Include:

  • Ball Bearings,
  • Caster Balls,
  • Ball Bearing Slides,
  • Seat Trackballs,
  • Finger-Trigger Pumps, and
  • Other Various Applications


Please note that the material information provided on our website is for informational purposes only. The properties listed per product type are typical and can vary based on suppliers of raw materials and customer specific needs. Please contact customer service for verification prior to ordering. Price and delivery may be subject to change based on specific requirements.

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