Rubber-Cal
Closed Cell Sponge Rubber Blend 1/2 in. x 39 in. x 78 in. Black Foam Rubber Sheet
$83.46

20-127-0500

Glass & Plastic Sheets

These closed cell rubber sponge sheets are made from a combination of neoprene and SBR (styrene butadiene rubber). Sponge rubber is also referred to as cellular or foam rubber. It takes these names because numerous air pockets are dispersed throughout the rubber material, making it softer and easier to compress than a piece of solid rubber. Because these air pockets excel at trapping and dissipating kinetic energy, rubber sponge demonstrates great shock absorbency and sees use in applications for energy absorption and protective rubber padding. These air pockets also ensure that sponge rubber transmits heat at a slower rate compared to solid rubber, making it a suitable material for heat insulation. Due to the sealed nature of the air pockets in closed cell sponge rubber, this material has a higher compressive strength than open cell sponge and retains its shape more effectively. This attribute of closed cell sponge makes it preferable to open cell sponge in padding applications where a rubber piece must maintain its structure while still absorbing kinetic energy. The isolated air pockets in closed cell rubber also make the material far less porous than open cell, preventing the material from absorbing water. Combined with the water-resistant nature of SBR and neoprene rubber materials, this closed cell blended rubber often sees use in aquatic and gasketing applications.

California residents: see   Proposition 65 information

  • Great for absorbing shocks, vibrations anda sounds from various impacts
  • Compressive foam rubber for use in gasketing and padding
  • Sees use in laptop sleeves, electrical insulation anda thermal insulation
  • Water-resistant and popular for aquatic applications
  • Closed cell sponge retains its shape and dimensions better than open cell
  • Exhibits long-lasting qualities of both styrene-butadiene rubber and neoprene
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Specifications

Dimensions

Product Depth (in.)
.5
Product Height (in.)
.5
Product Length (in.)
78
Product Thickness (in.)
.5
Product Width (in.)
39

Details

Product Weight (lb.)
6.8lb
Returnable
90-Day
Sheet Features
Opaque
Surface Type
Colored

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