Silicone CG Brown - 50A
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Silicone CG Brown - 50A

Silicone CG Brown - 50A is used in applications where physical properties are not critical but extreme temperature resistance is necessary. This sheeting makes excellent gasket material, offers both UV and ozone resistance.

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Product Description

Silicone CG Brown - 50A

As one of our more heat resistant products, this brown silicone rubber sheet brings to the table a unique brown color and enough flexibility to be used in commercial level applications where physical properties are not crucial. With a durometer rating of 50 Shore A, it is capable of operating in very extreme temperatures both cold and hot. This commercial grade silicone rubber is popular for use as gasket material in a range of applications, such as laboratory and automotive equipment that involve high temperatures.

UV and Ozone Resistant: This brown silicone rubber material brings with it the benefit of being able to resist the damaging effects of UV rays and ozone. Given time, these elemental factors can wreak havoc on a material's body. The damage done is usually in the form of cracking and discoloration. This silicone rubber sheet, however, is able to survive much longer when exposed to these outdoor factors.

Survives Extreme Temperatures: Silicone rubber material is prized for being able to operate in temperatures that are well beyond normal. If you need cold or heat resistant products, then this commercial grade silicone is the right material for the job because it can endure temperatures ranging from -103 F to 450 F. Few other elastomers can match silicone when it comes to surviving in harsh temperatures.

50 Durometer Rubber: Durometer is the system of measurement that is use to determine how flexible a particular elastomer is. There are several different durometer ratings, such as 50, 60, 70, and 80. This brown colored silicone rubber sheet has a durometer rating of 50 Shore A. In the overall scale of durometer ratings, 50A is a lower end score that indicates a flexible rubber product. This silicone rubber material favors flexibility over physical durability, which is why it is recommended to use this in applications that do not involve physically demanding conditions.

More Benefits:

  • Available in gauges of 1/32", 1/16", 1/8", 1/4"
  • Resistant to certain chemicals such as ammonia gas and sodium sulfate
  • Can be made into custom seals and gaskets


  • Brown color is unique and preferred in industries that require color identification of a sheet good

Description: Commercial grade silicone sheeting is used in applications where physical properties are not critical but extreme temperature resistance is necessary. This sheeting makes excellent gasket material, offers both UV and ozone resistance.
Compound: 100% Silicone Sheet
Color: Brown (Slight color variation across rolls)
Durometer: 50 Shore A, +/-5
Temperature Range: -103 F to 450 F
Minimum Tensile: 870 PSI or 6 MPA
Finish: Smooth
Minimum Elongation: 300%
Gauges: 1/32", 1/16", 1/8", 1/4"
Widths: 36 inches
Roll Length: 25' or 50' depending on thickness
Chemical Resistance: Excellent resistance to Fungus, Acetic Acid, Ammonia Gas (hot and cold), Corn Oil, Fish Oil, Lime Sulfur, Methyl Ether, Ozone, Sodium Sulfate, Tartaric Acid, Vinegar, and many more. For Silicone’s compatibility with your specific medium please consult a Rubber-Cal representative.
Application: High-Temperature Gasketing, Laboratory Equipment, Cost-Conscious Materials, Commercial Chemical Resistance.
Flexibility: This elastomer is available in a wide range of durometers (45-55).
Custom Cuts: In addition to hand fabrication, this product can be fabricated using laser, die, and water-jet cutting. Please submit your drawings for a price quote.


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