Acetal and Delrin Rod and Sheet

Delrin®, Co-Polymer, Homo-polymer, Celcon®, BASF

All Are P.O.M. (PolyOxyMethylene)

Stocked in Sheet-Sheets, Rod-Rods, Block, Strip and Slab
Acetal Rod, Delrin Rod, Acetal Sheet, Delrin Sheet Data Information and Pricing

Acetal and Delrin Rod, Sheet and Tube

This material is used frequently in a self lubricating bearing surface or slide type applications. Extremely low water absorption makes this a perfect material for valves, seats and moving parts in water filled areas (many white valve parts in toilet tanks are made of Acetal).  Crisp machining and tight tolerances are easily obtainable with these materials. 

Click On These Tabs For More Data

                                                                 

  • Why you should use Acetal/Delrin® Rod or Sheet

    • Both Delrin and Acetal are FDA Compliant
    • Both materials have Good Mechanical Properties
    • Both are very stiff and have excellent dimensional stability
    • Are self lubricating, Excellent Wear and Abrasion Resistance
    • Cuts extremely well with standard cutting tools
    • Delrin® AF (PTFE Filled), Glass Filled and Specialty Grades Available
    • Acetal – Delrin Rod and Plate have similar properties and frequently replace: Noryl, Nylon and PET materials

    Acetal and Delrin rod and sheet materials are…an excellent machining material – a favorite of machinists. Works like a soft brass, and has exceptional dimensional stability. It comes as a stress relieved material, however if you plan to do extensive machining, you may need to stress relieve the parts prior to final pass. Rods are machined well in lathe and mill, sheets are machined or cut in most common machine tools.

    • Excellent Machining
    • Low co-efficient of Friction
    • Very low moisture resistance

    Acetal and Delrin Rod and Sheet

    The work horse of the mechanical plastics family, it is one of the most popular grades of material we supply. Other brand or trade names: Pomalux®, Acetron®, Ensital®, Unital®, Tecaform®, Ultraform®, Celcon®, BASF, Hostaform®, Ticona, and Dupont Delrin®. Occasionally we are asked for the difference between Acetal and HDPE – here is an explanation. In addition to sheets and Delrin rods, this material is available as Delrin Bar, Delrin Strip, Delrin Square Bar, Acetal Bar, Acetal Strip and Acetal Square Bar.

    Also, here is more information on Acetal – Delrin Rod or Sheet versus ABS, for additional reference.

    Acetal is available on special order in a variety of colors, medical and engineering grade Colored Acetal or Delrin Rod.

    The Acetal – Delrin Rod and Sheet product line is mostly produced using the Plastic Extrusion process, click here for a nice description.

  • Applications – Frequently used in:Turning Acetal rod or Delrin rod in a lathe

    • Wear and Slide machined parts from Rod and Plate
    • FDA, NSF, 3-A, and USDA Compliant Machined Parts
    • Easily machined parts for water / moisture environments
    • Critical tolerance and dimensionally stable parts
    • 185ºF Continuous Temperature Environments
    • Custom formulations, PTFE – TFE Filled for wear resistance
    • Acetal or Delrin Rod and Rods, Sheet and Sheets for numerous applications

    Acetal Sheet and Rod Specifications:
    In stock we normally carry one of these resins: BASF Ultraform H4320, Kepital F10-02, or Hostaform M25. Current Certifications and Specifications used for Acetal – Delrin Rod and Sheet: FDA, USDA, NSF,
    ASTM D4181, ASTM D6778 and ASTM D6100. Superseded or out dated Specifications for Acetal – Delrin: L-P-392

    Some reasons to choose Homopolymer vs. Copolymer
    Both POM grades have very similar properties. Our clients seem to prefer the Acetal over the Homopolymer materials due to the inherent center-line porosity in the Delrin® Homo-polymer version. This means, that along the center of a rod, or the middle of a sheet, there is a band,  of area of tiny porous material. This can weaken or cause problems with a finished part, and in extreme cases you may see blow by or leakage at this center line. While Delrin® is a brand name, it is a POM Homo-polymer. The most requested and popular item we supply is the Acetal; the POM Co-polymer resin made by one of the other big resin manufacturers – like BASF or Celanese/Tacona. Both of these resins are readily available. On this website, we supply the more popular Co-Polymer by client request. If you would prefer the Delrin® brand Sheet or Delrin Rod, drop us a line, send us an email – we will be happy to ship the requested material for you. We don’t make judgments on suitability of material for your application, we just supply what you, our clients ask for. Please, just let us know ahead of time if you have a preference. Want more information on the differences see: Acetal Vs. Delrin

    Still not sure Acetal/Delrin® is the proper material for your application, consult our free Plastic Materials Selection Guide.

    These Properties are for evaluation purposes only. This information is not to be construed as a warranty, guarantee or assurance that you may achieve the same results. Materials made from different resin types, manufacturing techniques and manufacturers will react differently. The information should be used to compare against other materials only, and each user should make his own tests to determine suitability. No warranty as to this materials suitability are either expressed or implied.

  • Materials Available As

    Delrin Sheet – Acetal Sheet:

    .062″ – 6.0″ up to 48′ X 120″ in Natural (White) and Black (Acetal sheet thickness normally in stock: .125″, .187″, .250″, .312″, .375″,  .500″,  .625″, .750″, .875″, 1.0″,  1.250″,  1.500″, 1.750″, 2.0″, 2.250″, 2.500″, 2.750″, 3.0″, 3.250″, 3.50″, 3.750″, 4.0″, 4.50″, 5.0″ and larger)

    Delrin AF Sheet:

    .062″ – 3.0″ thick in 24″ X 48″, brown in color

    Delrin AF Rod:

    .250″ – 10″ diameter rod in up to 120″ lengths, brown in color

    Film:

    Black and Natural Acetal Rod.005″ – .062″ up to 24″ wide in Natural (White) and Black (minimums may apply)

    Acetal Rod and Rods:

    .125″ – 10″ diameter in Natural (White) and Black up to 120″ lengths

    12″ – 19.75″ diameter Natural Acetal Rod also now available.

    For Colored Acetal – Delrin Rod Read Here.

    (Acetal Rod diameters normally in stock: .125″, .187″, .250″, .312″, .375″, .437″,  .500″, .562″, .625″, .750″, .875″, 1.0″, 1.125″, 1.250″, 1.375″, 1.500″, 1.625″, 1.750″, 2.0″, 2.250″, 2.500″, 2.750″, 3.0″, 3.250″, 3.50″, 3.750″, 4.0″, 4.50″, 5.0″ and many more)

    Special Formulations: Conductive, Static Dissipative, PTFE-TFE Filled, Glass Reinforced, Custom Sizes, Formulations, or Colors Occasionally we are asked for the difference between Acetal and HDPE – here is an explanation.

     These Properties are for evaluation purposes only. This information is not to be construed as a warranty, guarantee or assurance that you may achieve the same results. Materials made from different resin types, manufacturing techniques and manufacturers will react differently. The information should be used to compare against other materials only, and each user should make his own tests to determine suitability. No warranty as to this materials suitability are either expressed or implied.

  • Acetal Sheet and Acetal Rods are a common plastic ‘building block’, used in numerous applications. From model making to FDA compliant parts. In stock and ready to ship, cut to size or we can provide ‘blanks’ to ease your production. 

     

    Typical Material Properties:

    General Property ASTM Test Typical Value Unfilled Delrin®Homo-Polymer Typical Value Unfilled Co-Polymer Typical Value Delrin® AF
    Specific Gravity D792 1.42 1.40 1.50
    Tensile Strength Yield D638 9,600 – 11,000 9,000 – 10,200 7,600
    Tensile Modulus D638 450,000 400,000 400,000
    Izod Impact – Notched D256 1.2 1.0 0.9
    Hardness – Rockwell D785 M94 M90 M89
    Deflection Temp @ 264psi D648 257 220 260
    Deflection Temp @ 66 psi D648 347 335 347
    Water Absorption @ 24 hrs % 0.24 0.25 0.20
    Co. Thermal Expansion D696 6.83X10-5 5.4X10-5 5.0X10-5

    These Properties are for evaluation purposes only. This information is not to be construed as a warranty, guarantee or assurance that you may achieve the same results. Materials made from different resin types, manufacturing techniques and manufacturers will react differently. The information should be used to compare against other materials only, and each user should make his own tests to determine suitability. No warranty as to this materials suitability are either expressed or implied

  • “This stuff machines like soft brass!!” – Alex R.

    “We produce a small medical part, and this material has the best of all the properties we need. It machines well, is very dimensionally stable, and has the agency approvals we need. Thanks for recommending it.” – Glenn P.

    “Thank you for suggesting Acetal rod for my project, it was great to work with” – Thomas L.

    Note: The Dupont brand of Acetal is called Delrin®, however we are frequently asked for Delron, Delran, Derlin, Delren, Delrun, Derlin and many more. We will do our best to translate what you ask for into a standard product. Go ahead and call us, we are happy to assist.


Acetal Pricing Pages – Click on ‘Sheet’ or ‘Rod’ Price Pages Below.

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  • Available in Natural and Black
    Available in Natural and Black
    Available in Natural and Black
    Available in Natural and Black
    Available in Natural, Black and AF
    Available in Natural and Black
    Available in Natural, Black and AF
    Available in Natural and Black
    Available in Natural, Black and AF
    Available in Natural, Black and AF
    Available in Natural and Black
    Available in Natural and Black
    Available in Natural and Black
    Available in Natural and Black
    Available in Natural and Black
  • Available in Natural and Black
    Available in Natural and Black
    Available in Natural and Black
    Available in Natural and Black
    Available in Natural, Black and AF
    Available in Natural and Black
    Available in Natural, Black and AF
    Available in Natural, Black and AF
    Available in Natural, Black and AF
    Available in Natural, Black and AF
    Available in Natural, Black and AF
    Available in Natural and Black
    Available in Natural and Black
    Available in Natural and Black
    Available in Natural and Black
    Available in Natural and Black

These Properties are for evaluation purposes only. This information is not to be construed as a warranty, guarantee or assurance that you may achieve the same results. Materials made from different resin types, manufacturing techniques and manufacturers will react differently. The information should be used to compare against other materials only, and each user should make his own tests to determine suitability. No warranty as to this materials suitability are either expressed or implied.
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