Cross Linked Polyethylene - 3LB Charcoal

Cross Linked Polyethylene - 3LB Charcoal


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For a reliable solution of superior strength, our cross-linked polyethylene 3LB charcoal foam is a great choice. Offering an impressive durability coupled with versatility in application, this is a foam you can count on for years of use.

As one of the more durable solutions on the market, our chemically cross-linked foam is an extremely fine-celled material of high quality, ideal for projects and applications that require thicker foam and more longevity. Offering a smooth, pleasing feel and surface, this option combines the best in appearances and texture with the best properties in durability for a powerhouse solution. Ideal for applications requiring a thicker closed cell foam, our cross-linked polyethylene 3LB charcoal option offers a durable material you can use for a range of applications such as thermal insulation, construction expansion joints, and industrial gaskets. Thanks to the impressive low moisture permeability and high buoyancy, this solution can also be used as packaging and in flotation equipment. If you have any questions about this option, please Contact Us.

Custom Cutting is Available!
We offer a range of sizes and thickness options for this material. We can also custom cut the perfect size of cross-linked polyethylene foam for any project. Please Contact Us for details.

  • Health Care: Medical packaging, orthopedic and prosthetic padding, wheelchair pads, suture counters
  • Transportation: Automotive anti-rattle pads, glass packaging, gaskets, marine buoys and bumpers, waterproof cushions
  • Building and Construction: Eaves filler strip, special application playground padding
  • Sports and Leisure: Kayak construction, toys, body armor, life jackets, personal watercraft seats, backpack shoulder straps
  • General Industrial: Appliance gaskets and insulation, artifact packaging, radar spacers, protective padding

Add Adhesive Backing for Easy Application!
If you are looking for an easy method to apply your foam to another surface, look no further than our adhesive backing. We can add this adhesive to a number of our closed-cell products. See Adhesive Backing for Foam for details!

  • Resilient
  • Excellent buoyancy
  • Good thermal insulator
  • Excellent strength and shock absorption
  • Low water absorption
  • Impervious to mildew, mold, rot, and bacteria
  • Excellent chemical resistance
  • Nontoxic and contains no CFCs, HCFCs, or hydrocarbon blowing agents
  • Similar to Minicel in USA, Alveolit in Europe, and Softlon in Japan and Australia
Resources Notes

Manufacturing Tolerances
Products may carry a size tolerance depending on the style and job. Please see our Tolerance Table.

Standard Sheet Sizes
Standard sheets of foam are cut slightly larger than the listed size to compensate for shrinkage during packaging, transit, and delivery. Sheets may contain rough edges.

*48" x 24" 3-Pack
The 3-pack of 48" x 24" is cut down from 72" x 48" for shipping purposes.

**4-1/2" Thickness XPE
The 4-1/2" thickness has a thickness range from 4" to 4-1/2" and includes skin top and bottom.

Write a Review

Product Review
Gregory B. | July 7th, 2023
Recently I received a 1" panel of the "Cross Linked Polyethylene - 3LB Charcoal", it worked great for my purpose. I actually was able to use a circle cutter to cut a hole through the foam, though my cutter had a 1/2' blade, so I had to cut the hole from both sides of my foam panel. Then I was able to use a heated foam cutter blade to cut the panel to the size that I needed. All went well.... I was happy with the product and the support!
Great Product
Dave | March 3rd, 2023
I used 3lb weight a number of years ago and wanted to try it out on a current commission. This is a fantastic product. If you need more rigidity than standard L200 this is perfect. Cuts very well on a bandsaw. I suggest using a silver sharpie on it, as black ink will come off more on your hands. Great product and quick delivery from Foam Factory.
Jacob | June 17th, 2022
I use this foam to create LARP weapons and it is amazing!
Good Foam for Cosplay, but has it pros and cons
Corey T. Guidry | June 20th, 2019
I have been using XLPE in 2lb density for several years now in my cosplay armor builds. I recently switched to the 3lb density for a bit more rigidity. The XLPE is extremely easy to work with as it cuts very smooth and is just a durable as EVA foam. The fact that it is smooth on both sides allows me the ability to cut pieces and not always have to worry about which side is textured. However, the few cons that I have with it is that it does not score and separate like EVA foam does. On my recent order, I noticed that the full sheet of 1/4" XLPE had a few melted concave bubble areas in it. Possibly from the extruding process? While not a big deal, it was just the first time I had seen this when ordering from this company. The scoring properties and heat bubble areas are small issues really and I will continue to order the XLPE in the future.