Polyethylene

HDPE & LDPE

(High Density and Low Density Polyethylene)Plastic Rod from .250" - 19.0" and larger


Both materials are in the Polyolefin family of plastics, along with Polypropylene (PolyPro) and UHMW (Ultra High Molecular Weight). Manufactured by a variety of manufacturers under the names: Polyboard®, Polymar®, Hostalen®, Polystone®, Hitec®, Sanatec®, Sanalite®, Ultra Ethylux®, Polycarve®, and Densetec®.

For great abrasion resistance, very low density and FDA/NSF compliance, Polyethylene is an excellent choice.

Occasionally we are asked for the difference between Acetal – Delrin and HDPE – here is an explanation.

Still not sure HDPE/LDPE Polyethylene is the proper material for your application, consult our free Plastic Materials Selection Guide.

Click On Tabs For More Data

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  • Why use HDPE/LDPE in your applications:

    Using our HDPE sheet as a cutting board? Read more about HDPE Cutting Boards here.

    This materials is…exhibit high impact strength, abrasion resistance and low coefficient of friction. Very light weight (density of .91 – .96) and extremely durable. FDA and NSF approved for food contact. Low forming temperature for ease of vacuum or thermo-forming.

    • Self Lubricating and Low Co-Efficient of Friction
    • Very High Chemical Resistance
    • Low Specific Gravity (Floats in Water)
    • Can be Heat Welded or RF Welded
    • High Impact Strength and Energy Absorption
    • Excellent Wear Resistance and FDA/NSF Approved
    • Exceptional Low Temperature – Brittle at -110ºF

    Still not sure HDPE/LDPE Polyetheylene is the proper material for your application, consult our free Plastic Materials Selection Guide.

  • Applications – Frequently used in:

    • Cutting Board and Food Preparation Surfaces
    • FDA, USDA, NSF Compliant Machined Parts
    • Heat Formed and Vacuum Formed Parts
    • Dasher Board For Ice Rinks – Impact Parts
    • Welded Tanks, Hoppers, Silo Linings and Slide Chutes
    • Chemical and Structural Tanks and Covers
    • Food Processing Equipment, Valve and Pump Components

    Still not sure HDPE/LDPE Polyetheylene 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:

    Extruded Sheet:

    .030 – 2.0″ in 48″ X 96″ Smooth Surfaces Natural Sheet in HDPE, 1″ max. for LDPE

    Black available in many sizes of HDPE

    Film:

    .015″ – .060″ in 48″ wide Natural

    Rod:

    .250″ – 10″ diameter in Natural HDPE – 96″ lengths

    From 12″ and up to 30″ diameter in 48″ lengths or 39″ lengths in HDPE

    Black is available in many sizes of HDPE

    Tube:

    .250″ OD – 10″ OD in various wall thicknesses. Most available in HDPE and many in LDPE

    Special Formulations:

    Conductive, Static Dissipative, Custom sizes, Formulations, Profiles or Colors.

    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.

  • HDPE/LDPE Sheet and HDPE Rod 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 HDPE Typical Value LDPE
    Specific Gravity D792 .941 – .965
    .91 – .925
    Tensile Strength Yield D638 3,800 – 5,500
    1,400 – 2,000
    Izod Impact – Notched D256 2.0 – 3.5
    >16
    Vicat Softening Temp D1525 257ºF 219ºF
    Hardness – Rockwell D785 D60 -70
    D42 – 50
    Continuous Use Temp
    -100 – 180ºF
    174ºF
    Deflection Temp @ 66 psi D648 171 124
    Co. Thermal Expansion D696 7X10-5 4.6 -5.5X10-5

    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

  • “Thank you for suggesting Polyethylene plastics for our cutting surface. Works great. Took home a few of our remnants, and my wife loves them for cutting in the kitchen” – Eddie T.

    “We have been using your LDPE for our metal bending press, and it works great. This prevents the press from scratching or denting the metal as we been it. Thanks for the help” – Robert P.


Here is the Pricing Page. Click on ‘Sheet’ or ‘Rod’ for Pricing.

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  • Available in Natural (Milky White)
    Available in Natural (Milky White)
    Available in Natural (Milky White)
    Available in Natural (Milky White)
    Available in Natural (Milky White)
    Available in Natural (Milky White)
    Available in Natural (Milky White)
    Available in Natural (Milky White)
    Available in Natural (Milky White)
    Available in Natural (Milky White)

  • Available in Natural Milky White
    Available in Natural Milky White
    Available in Natural Milky White
    Available in Natural Milky White
    Available in Natural Milky White
    Available in Natural Milky White
    Available in Natural Milky White
    Available in Natural Milky White
    Available in Natural Milky White
    Available in Natural Milky White

  • Available in Natural (Milky White)
    Available in Natural (Milky White)
    Available in Natural (Milky White)
    Available in Natural (Milky White)
    Available in Natural (Milky White)
    Available in Natural (Milky White)
    Available in Natural (Milky White)
    Available in Natural (Milky White)
    Available in Natural (Milky White)

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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Topic: HDPE and LDPE Polyethylene Sheet

34 Responses to Polyethylene (HDPE & LDPE)

  1. We are looking to get some HDPE stock, 20 inch diameter x 42 inch length or half of those two dimensions for a machined prototype for our senior projects class. If you could send me a quote on those two pieces, and have any recommendations of other plastic polymers that would be good to machine and make a displayable model of our design. We are looking to keep it low cost as possible and will be only for visual aid as long as the material can be machined easily and consistently.

  2. Plastic-Man says:

    Stefan, We can certainly supply 20″ diameter rod. However, you mention that you are looking for a low cost option. Any plastic material that is 20″ in diameter is not a low cost option, HDPE is one of the least expensive materials, and in 20″ diameter the price is currently about $1,200.00 per foot. All very large diameter plastic rod is going to be in this price range, as it may take several days just to make one length (it is a very slow process).
    Can you tell us what you are working on, and the minimum dimensions, perhaps we can find a different way to make it.
    Thanks for your interest.
    Hayden

  3. [...] of our lower cost materials: HDPE, PVC, Styrene – less expensive, not cheap. Each with very specific strong points, and yes weak [...]

  4. [...] in your local city, look at the brightly colored panels used to make the play equipment. This is a HDPE sheet with heavy UV additives, and this makes an excellent application. Available in a rainbow of colors [...]

  5. [...] of Nylon when they are looking for an FDA approved plastic? Or, do they consider Acetal, Delrin, Polyethylene, and other materials first? Do you think of Nylon rod, bar, sheet and slab as mechanical materials [...]

  6. [...] Polyethylene (HDPE & LDPE) [...]

  7. [...] plastic with the number 2 symbol on it is HDPE which is a plastic primarily used for grocery bags, milk jugs and laundry detergent [...]

  8. Greg Desnoyers says:

    Hi, I’m looking for two solid blocks about 3″x6″x~8″ in the cheapest rigid plastic possible. I will be machining them and then welding them together to make a first-cut prototype. Durability etc. is not a concern at this point as long as they can be welded together with epoxy etc. and are not water soluable.

    Would it make more sense to laminate 6 – 1″ thick sheets, cut them to size and then machine in this circumstance?

    Thanks,
    Greg

  9. Jesse says:

    Hi Greg, we would recommend using two 3″ pieces of ABS or PVC instead gluing six 1″ pieces. A factor you have to take into consideration is whether or not the glue will dry evenly on the multiple pieces. Simply put, it is much easier for the glue to bond evenly on two pieces instead of six–which will result in an easier product to machine.

  10. [...] time you are cutting vegetables on your cutting board, the material most likely to be used is Polyethylene. Because it is stain, moisture and odor resistant, Polyethylene is a perfect choice. Other cutting [...]

  11. [...] a plastic material, High Density Polyethylene (HDPE) that has been filled with the natural mineral boron. This boron filled (typically a 5% boron fill) is used to shield neutrons [...]

  12. [...] LDPE and HDPE Polyethylene Sheets – Live Chat Also Available [...]

  13. Russel Landis says:

    I am looking for a 7″ bar of UHMW

  14. Jesse says:

    We do have 7″ UHMW available. We will contact via email for further details.

  15. RCP says:

    Can you provide HDPE or nat. polypro in a tube form, 3/16″ thk. x 12″ ID. We would cut them into 4″ long pcs. Looking for enough for 150 pcs. 4″ long.

    Thanks Scott

  16. Jesse says:

    Hi Scott,

    That is a really good question and to answer it “YES” we can provide HDPE and Natural Polypro tube in 4″ long pieces with a 12″ dia and a 3/16″ wall.

  17. [...] the garbage bags that we often use to dispose of our uneaten meals are made of Polypropylene (or HDPE). Another thing about this material is that it actually floats in water. The incredible toughness [...]

  18. [...] burrs that are easy to remove with standard deburring tools. It fabricates very much like HDPE (High Density Polyethylene Sheet), and has many similar properties. The chemical resistance of Polypropylene approaches the [...]

  19. [...] is another popular question asked by our clients. Is HDPE the same as Acetal / Delrin? No, they are two totally different materials. Although the natural [...]

  20. [...] material. Acrylic does not do well at 450 degrees. Styrene does not make a good chemical tank. HDPE and PTFE do not bond. These and many more ‘land mines’ are things we help our clients [...]

  21. [...] plastic we carry that are available as a recycled product are Reprocessed UHMW Sheets and Rods and Repro HDPE. The HDPE is available as post consumer content from milk jugs and laundry soap containers. PTFE [...]

  22. BowenJW says:

    Hello,

    Can you cut a larger sizes of 3/32″ and/or 1/8″ HDPE sheet? I’m looking for a 60″x60″ piece, pref. black.

    Also, wanted to assure that this material is heat weldable.

    Thank you!

  23. Plastic Man says:

    We can cut from .063″ to 3.0″ thick HDPE.
    The 60″ wide sheet is not normally a stock item.
    We can check with the factory on availability.
    Are you in need of just one of these?
    Would the natural (milky white) work?
    Yes, HDPE is heat weldable.

  24. Dan Ross says:

    Hi- looking for hdpe in 1/16 ” thick in 48x 96 for my daughters school project -do you have this in stock?
    Thanks,

  25. Plastic Man says:

    Hi Dan,
    We stock these sheet in that size, 1/16″ X 48″ X 96″ in HDPE in both Natural (145 in stock) and Black (18 in stock).
    Thanks,
    PlasticMan

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