Acetal / Delrin
 
Trade Names
Acetal, Delrin, Ertacetal C, Ertacetal H, POM C, POM H
Available
Sheets, Rods, Tubes
Colours
Natural (White), Black, Deep Brown
Similar Plastics
Nylon
Standard Sizes
2000mm x 1000mm
3000mm x 610mm

Acetal Rod Acetal Sheet

Acetal & Delrin

Acetal sheet, plate and Acetal rod are among the strongest and stiffest of all thermoplastics. Acetal and Delrin plastic engineering materials are characterised by good fatigue life, low moisture sensitivity, and high resistance to solvents and chemicals.

Acetal products also contain good electrical properties. Homopolymer and copolymer grades of Acetal, also known as Ertacetal, are available including an enhanced bearing grade material.

Delrin is a semi crystalline engineering plastic that is beneficial to engineering applications, and is suited to CNC machining.

What is the difference between Acetal POM C and Delrin POM H?

Copolymer and homopolymer Acetal's are very similar in many characteristics. However, there are some differences, e.g. POM-H has higher mechanical values, better wear resistance and is better for use in tribological applications (friction and wear). POM-C has better chemical resistance.

  • Characteristics
  • Applications
  • Availability
  • Downloads

Acetal & Delrin Characteristics:

  • High mechanical strength
  • Excellent resilience
  • Good creep resilience
  • High impact strength, even at low temperatures
  • Very good dimensional stability
  • Good sliding properties and wear resistance
  • Excellent machinability
  • Physiologically inert (most grades are suitable for food contact)

Acetal & Delrin Sheet & Rod Applications

Gear wheels with small modulus, cams, heavily loaded bearings and rollers, bearing and gears with small clearances, valve seats, snap fit assemblies, dimensionally stable precision parts, electrically insulating components.

Bearings
Acetal Bearing

Acetal bearings offers excellent stability and good wear resistance in a variety of moist environments.


Electrical Components
Acetal Electrical Component

Porosity-free Acetron® GP acetal is intricately fabricated into this electrical test part with dozens of tight tolerance machined holes required at its centerline. (Prior material: Standard Acetal)


Structural Keels
Acetal structural keel

Delrin acetal delivers outstanding fatigue and impact resistance in this continuously loaded structural keel for a prosthetic device. (Prior materials: Nylon, Elastomer)


Gears
Acetal Gears

Acetron® GP maintains tight tolerances despite environmental and clean in place chemical exposure on dairy equipment. (Prior materials: Bronze, Stainless Steel)


Rollers
Acetal Rollers

Guide rollers machined from Acetron® GP rod operate smoothly and reliably in lift gate systems used to load cargo onto truck beds. (Prior materials: Cast Iron, Cast Aluminium)


Technical Engineering Notes

In general, acetal's do not perform as well in abrasive wear applications as nylons. Compensation for moisture related growth generally allows Nylatron® nylons to be used for wet, abrasive applications. If your application requires dimensional consistency in an abrasive, high humidity or submerged environment, Ertalyte® PET-P will often offer improved performance. When it comes to outdoor applications, Ertacetal is not recommended because of its poor UV-resistance.


Acetal & Delrin Availability

Rod thickness Sheet thickness Tubes O.D.
Ertacetal C (ACETAL POM-C) 3mm - 320mm0.5mm - 120mm 20mm - 50mm
Ertacetal H (ACETAL POM-H) 5mm - 320mm 0.5mm - 110mm 20mm - 60mm
Ertacetal H-TF 1mm - 150mm 1mm - 20mm 20mm - 60mm

Buy Acetal & Delrin Rod online

Buy Acetal & Delrin Sheet online

Phone 0191 258 0777 to buy

Ertacetal C (POM-C) natural (white) / black

Acetal copolymer, Ertacetal C (POM-C) is more resistant against hydrolysis, strong alkalis and thermal-oxidative degradation than the acetal homopolymer Ertacetal H (POM-H).

Ertacetal H (POM-H) natural (white) / black

Acetal homopolymer, Ertacetal H (POM-H) has higher mechanical strength, stiffness, hardness and creep resistance as well as a lower thermal expansion rate when compared to Ertacetal C (POM-C) and often it also presents a better wear resistance.

Ertacetal H-TF (POM-H + PTFE) (deep brown)

Delrin AF Blend (Ertacetal H-TF) is a combination of Teflon fibres evenly dispersed in a Delrin acetal resin. Much of the strength that is inherent in Ertacetal H is retained. Some properties change due to the addition of Teflon fibre which is softer, less stiff and slipperier than virgin acetal resin.

Compared with Ertacetal C and H, this material offers superior sliding properties. Bearings made of Ertacetal H-TF show low friction, long wear and are essentially free of stick-slip behaviour.

Acetal & Delrin Downloads

Acetal & Delrin Downloads PDF
Ertacetal C Data Sheet PDF
Ertacetal C Safety Sheet PDF
Ertacetal H Datasheet PDF
Ertacetal H Safety Sheet PDF

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Our online e-commerce site is available to take your orders online now 24/7. A Simple and Secure site for you to buy Acetal & Delrin products at your own convenience.

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We aim to make the material selection process as easy and stress free as possible by providing technical and mechanical information for over 80 products, to further assist you in making the right choice.

Contact Us

Post:
Bay Plastics Ltd
Unit H1 High Flatworth
Tyne Tunnel Trading Estate
North Shields
Tyne & Wear
NE29 7UZ
United Kingdom

Tel: +44 (0) 191 258 0777

Fax: +44 (0) 191 258 1010

Email: sales@bayplastics.co.uk

Online Shop: www.plasticstockist.com

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Bay Plastics Ltd
Unit H1 High Flatworth,
Tyne Tunnel Trading Estate,
North Shields
Tyne & Wear
NE29 7UZ
Tel: 0191 2580777
Fax: 0191 2581010

Co Reg No. 2325035

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