What is "Acetal Sheet"?
Acetal Sheet
Acetal sheet is defined as a tough, machinable thermoplastic with high modulus of elasticity, high strength, good rigidity, dimensional stability, and resistances to moisture, chemicals and solvents.
A thermoplastic, according to Merriam-Webster dictionary, is a substance that can be softened or fused when heated, and then hardened when cooled. The "modulus of elasticity" is a measure of stiffness of an elastic material, such as when wires are stretched or compressed.
Common names associated with acetal sheet include delrin sheet, acetal film, acetal sheet stock, acetal sheet black, acetal plastic sheet, acetal sheet plate, acetal rod, acetal bar stock, and acetal copolymer. You may also be familiar with an acetal product, "Delrin." Acetal sheet (copolymer) and Delrin (homopolymer) are two very similar but yet two differing products. Acetal copolymer, due to the crystallinity of its chemical makeup, is more apt to receive additives to increase its inherent strength .
Recapping, key propertiesof acetal sheet include:
  • Performs well at extreme temperatures - high level of heat resistance (up to 140F)
  • Low coefficient of friction
  • Ideal for wet environments - absorbs minimal moisture
  • Does not become brittle with long-term exposure to the elements including extreme temperatures
  • Can be heated and/or cooled
  • Carries excellent load-bearing elements both in tension and compression
  • Can be purchased insheet, rod, and shapes.
  • Natural and Black acetal sheet is FDA and USDA compliant
  • Meets the following certifications: ASTM POM 0211, D6778,FDA21, CFR 177 .2470,USDA compliant, ASTM POM 211, D6100
Acetal Sheet: Applications and Market
Acetal sheet is commonly found in the plumbing, construction, automotive, electronics, consumer goods industries. You may also find it being used for bearings, gears, pumps, valve components, ect.

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