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PORON Medical Urethane Sheets

  • PORON Medical® Urethane sheets
  • PORON Medical® Urethane sheets - beige
  • PORON Medical® Urethane sheets - blue
  • PORON Medical® Urethane sheets - onyx
3.00 LBS

Product Description

PORON Medical® cellular urethanes are engineered, medium density, microcellular (cells are roughly 100 microns in diameter) foam materials.

They are used in orthopedic and prosthetic applications, including custom orthotics, prefabricated orthotics, prosthetic padding and other biomechanical supports.


Composition: Cellular Urethane

Molding Temperature: N/A

Grindable: Yes

Available colors: Beige, Blue

Finish:1AB, 2AB, UAB

Case Quantities

  1.5mm:  48 sheets

  3.0mm:  24 sheets

  6.0mm:  12 sheets

  9.5mm:    8 sheets


PORON Medical® Urethane is also
available in other densities and colors
as a special order. Call an Acor® Customer
Service representative to get detailed

PORON Medical® Urethane is also available in other densities and colors as a special order.



Call an Acor® CustomerService representative to get detailed information.


WHOLESALE customers- Make sure you are logged in to your account and click HERE to shop for PORON Medical Urethane Sheets.

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Product Reviews

  1. Very Much Helped Relieve Forefoot Pain Due to Fat Pad Atrophy 5 Star Review

    Posted by on 17th Jul 2018

    The fat pads on my forefeet had so much atrophied that after walking a few blocks I felt as if I were painfully walking on pebbles. This condition had also reduced the distance I could pedal my bike. So, I began to obtain most of my aerobic exercise by working out in a swimming pool.

    To cope with the pain, I found physical therapy helpful as well as walking sticks. I also tried various over-the-counter orthotics and eventually I spent $400 for a pair of custom orthotics. As initially fabricated the foot bed was too hard. It had been made with just one, 1/8 in thick layer of Poron. So the orthotist added another layer and this was very helpful.

    Eventually I decided to modify a commercial pair of orthotics and see if I could improve on the custom pair. I had tried many commercial orthotics and eventually decided to modify Powerstep Memory Foam Orthotic Insoles. For this orthotic, I had inadvertently discovered that isopropyl alcohol dissolves its foam covering. So I used alcohol to strip away the foam.

    From felt I fabricated a pair of metatarsal pads (you can just buy them at Amazon) and contact cemented the pads to the stripped orthotic, being careful to place the pads. I then cemented a 1/8” layer of (blue) Poron over the orthotic and still later another 1/8” layer of Poron but now one with a fabric covering.

    I used scissors to trim the Poron. I found the sanding and cutting tools of my Dremel to be very helpful in further modifying the Poron.

    My left foot has a fallen metatarsal head, so I used a Dremel cutter to open a hole in the Poron to reduce the pressure on the head. To locate the hole, I placed lipstick on my fallen head and stepped on the insole. I repeated this several times to verify the location of the head on the insole. (If you cut the hole in the wrong place, it is easy to cement in a patch.)

    I have made some other modifications but basically my orthotic is much more comfortable than is the custom orthotic. Indeed, I have made three pair. Perhaps each pair cost me $140 with the biggest material cost being the over-the-counter orthotic. That said, I would not have even contemplated making my own orthotics if I had not seen how the custom orthotics were made. So I am in considerable debt to my orthotist.

    Finally, a major problem in modifying the over-the-counter orthotics was stripping away the original foam. I tried a cheaper Powerstep Orthotic only to discover that I had to use a variety of solvents to remove the original foam. Perhaps you will not need so much foam and so can leave the foam on and add just one layer of Poron. Note, however, that contact cement may destroy the original foam should you cement the Poron on the foam. –Marshall Dermer, marshall@dermer.com

  2. Great material for sore feet 5 Star Review

    Posted by on 10th Dec 2016

    I suffer from metatarsalitis (aka capsulitis, pain under the metatarsal heads just behind the toes). I have been using this material as a sub-insole in all my shoes for the last five years or so and it is absolutely great. Basically all I do is buy my shoes a half size larger than normal, cut a piece of this material to fit the foot bed of the shoe, and insert it underneath the insole that comes with the shoe.

    I use the material in my dress shoes as well as my running shoes. The insoles that come with sneakers go flat under the metatarsal heads very quickly but this material main maintains it cushioning properties. I am still using the original material that I purchased five years ago and I run about 20 miles per week.

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