Seat Foam | McMaster-Carr

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Backing Type

Shape

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Pressure to Compress 25%

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Material

Maximum Temperature

Cellular Skin Surface

For Use Outdoors

Performance

RoHS

Tensile Strength

REACH

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DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

1C008

EAR99

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Diameter

Flammability Rating

UL 94 HBF

UL 94 HF-1

Maximum Adhesive Temperature

523 Products

About Foam

Compare foam properties to choose the right option for your application and environment.

Foam

Super-Cushioning Polyurethane Foam
Sheets, Bars, Cubes, and Strips

Durable enough to be used in seat cushions, this flexible polyurethane foam provides gentle cushioning support.

Laminated Super-Cushioning
Polyurethane/Polyethylene Foam Sheets and Strips

These dual-material foam sheets and strips have ultra-soft polyurethane foam on one side and chemical-resistant polyethylene foam on the other. They are widely used in packaging applications to absorb shock and damp vibration.

Resilient Polyurethane Foam Sheets and Strips

Even after extended compression, these high-performance polyurethane foam sheets and strips bounce back to shape faster than any other foam we offer. Also known as Poron urethane, they also stand up to wear caused by rubbing and scraping.

Ultra-Conformable Polyurethane
Foam Sheets and Strips

Commonly called memory foam and Confor, these sheets and strips have the best cushioning qualities of all the foam we offer.

Flame-Retardant Super-Cushioning
Polyurethane Foam Sheets and Strips

When these sheets and strips are exposed to flames, the surface chars to create a protective barrier that prevents melting, dripping, and the possibility of spreading fire.

Shock-Absorbing Resilient
Polyurethane Foam Sheets and Strips

Often used for impact pads, gaskets, and enclosure seals, these polyurethane foam sheets and strips absorb shock better than other resilient foam.

Water-Resistant Resilient
Polyurethane Foam Sheets and Strips

Good for tough vacuum-sealing and low closure-force applications, these polyurethane foam sheets and strips have open/closed cells to keep water, air, and gases from being absorbed when they are compressed at least 25%. Even after extended compression, all bounce back to shape faster than other foams we offer.