- UHMW is an impact-, chemical-, and moisture-resistant plastic with a low-friction surface, better abrasion resistance than PTFE, and more rigidity than other polyethylenes
- Color is opaque white
- Meets ASTM D4020 specifications
- Standard tolerance
UHMW (Ultra High Molecular Weight Polyethylene) Sheet, Opaque White, Standard Tolerance, ASTM D4020
|Price:||$3.64 - $67.52|
|Specification Met||ASTM D4020|
|Backing Type||No Backing|
|Material||UHMW (Ultra High Molecular Weight Polyethylene)|
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The opaque white UHMW sheet has a standard tolerance and meets American Society for Testing and Materials ASTM D4020 specifications. UHMW (ultra high molecular weight) polyethylene is an impact-, chemical-, and moisture-resistant plastic that has excellent abrasion resistance and a low-friction surface. UHMW is more rigid than LDPE and HDPE, and has better abrasion resistance than PTFE.
Plastic refers to a group of synthetic or semi-synthetic materials that have been engineered to achieve specific properties. The most notable characteristics of plastics are its low weight, machinability, corrosion resistance, and typically good thermal and electrical insulating properties. Certain plastic grades also offer optical transparency similar to glass, low-friction or self-lubricating surfaces, and exceptional impact resistance. Depending on their properties, certain plastic grades can be used as alternatives to metal, glass, and ceramic. Unlike metal, plastic may experience creep, which is deformation caused by longtime exposure to a constant load.
Tensile strength, used to indicate the material’s overall strength, is the peak stress it can withstand before it breaks. Corrosion resistance describes the material's ability to prevent deterioration caused by atmosphere, moisture, or other medium. Wear resistance indicates the ability to prevent surface damage caused by contact with other surfaces. Toughness describes the material's ability to absorb energy before breaking, while hardness (commonly measured as indentation hardness) describes its resistance to permanent surface deformation. Impact resistance is the measure of a material’s ability to absorb a shock of energy before breaking.
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"Exterior Finish Smooth"
which indicated to me that the top and bottom of the sheet
would be smooth. But when I received it there were saw lines
running through the face on both sides, enough that you not only
could see them but feel them easily with you fingers, very rough lines.
I expected that there may be some rough saw lines on the 1/2" edges
but not on both the 12"X12" face surfaces.
I had to sand both sides down to use for my application,
and this stuff is pretty tough and it wasn't all that easy to do.
If the description had said
'Exterior Finish Rough' I would have either looked elsewhere or ordered HDPE
which is a little easier to work with and could have sanded it a little easier.
So if you need the face of both sides smooth like I did this is not for you.
Don't expect the faces to be smooth as the description indicates.