Specialty Materials for Electronic Assembly
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All Categories > Electrically Conductive Tape & Composite Adhesives > Electrical Insulation and Isolation Tapes > Silicone Sponge Rubber Tape > Item # R10404  
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Item # R10404, Silicone Sponge Rubber Tape


Silicone Sponge Rubber

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Flexible, compressible COHRlastic silicone closed cell sponge is designed for high-performance gasketing, thermal shielding, vibration mounts and press pads. It is available in six constructions.
R10470, a general-purpose silicone sponge, can be used in most applications.
R10480 has extremely low compression set and maintains its resiliency even under extended compression.
R10460 is flame retardant.When held in a vertical position and exposed to a 2,000 °F flame for 12 seconds, there is no residential flame and less than a 10 second afterglow. Like R10480, it is especially resistant to compression set.
R10450 silicone sponge with fiberglass reinforcement is a unique construction. It has the compressibility of sponge, plus dimensional stability in the X-Y direction. The absence of stretch contributes to the consistent size and shape of die cut parts and eliminates outward extrusion under pressure.
R10490 fluorosilicone sponge rubber can be used as a gasket where it is necessary to contain fluids that would degrade normal silicone sponge and solid materials (special order basis).
R10404 closed-cell conformable silicone rubber sponge is designed for use where both conformability and heat transfer are necessary, such as between printed circuit boards and heat sinks, decal transfer or applying heat activated adhesives.

Extra-firm grade available as a special request item.




 Specifications   

Test Method Water Absorption
D1056

Water Absorption
Less than 5 %

Dielectric Strength
145 V/mil

Thermal Conductivity (Average)
2.6 x 10-4 x (cal·cm/ºC·cm·s) 0.75 BTU in/h·ft2 ºF

Specific Heat
0.3 BTU/lb/ºF

Linear Thermal Expansion1
1.8 x 10-4 in/in/ºF

Outgassing (NASA Testing)
Less than 1% weight loss (after 24 h at 257 ºF in vacuum)

Width/Sheet Size
36 x 36 in

Color
Light green

Thickness
1/16 ±1/64 in
1/32 ±.010 in
1/4 /+3/64 to –1/32 in
1/8 ±1/32 in
Special order. Minimum quantities apply - 3/16 ±1/32 in
Special order. Minimum quantities apply - 3/32 ±1/64 in

Test Method Compression Deflection
D1056

Compression Deflection2
20 psi

Test Method Tensile Strength
D412

Tensile Strength
120 psi

Test Method Elongation
D412

Elongation at Break
150 %

Test Method Compression Set
D1056

Compression Set (Compressed 50 % for 22 h at 212 ºF)
15 %

Test Method Density
D3574

Density
.040 lb/in
1 Room temperature to +350 ºF
2 Compressed 25 % at room temperature


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·  Silicone Sponge Rubber - Other Specifications