R-10470 Firm

R-10470 Firm silicone sponge rubber is a general purpose closed cell silicone sponge that can be used in most gasketing applications. This material is flexible and compressible and designed for use in extreme temperature ranges, with excellent weatherability, compression set resistance, electrical strength and non-stick properties.

Download Specification Sheet

R-10470 Firm

Application Advantages

  • Capable of meeting AMS 3196 closed-cell specificaton
  • Capable of meeting MIL-R-6130 Type II, Grade B and C / ASTM D6576 Type 2, Grade B and Grade C / MIL-R-46089 / ASTM D1056 Type 2, Class A,B,C and D
  • Standard color is orange/tan. Black is available in specific thicknesses.
  • UL-recognized weather seal gasket.

Typical Physical Properties

PropertyTest MethodValue
Compression DeflectionATMD D105616 psi
Tensile StrengthASTM D412130 psi
ElongationASTM D412200%
Compression SetASTM D105625%
DensityASTM D35740.025 lbs./in.
Water AbsorptionASTM D1056<5%
Temperature Range-100°F to +500°F


Sheet goods 36″ x 36″ x 1/16″, 1/8″, 3/16″, 1/4″, 3/8″.
Special 3/32″ is available in both sheet goods.

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