Silicone CG Black - 50A
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Silicone CG Black - 50A

Silicone CG Black - 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 Black - 50A

For an application that requires a high level of temperature resistance from your elastomer, consider using this commercial grade black silicone rubber. It is a flexible silicone sheet that has a durometer rating of 50 Shore A, allowing it to have a better degree of flexibility than any of it's higher durometer counterparts. Available in standard widths of 36" and maximum lengths of 50ft per roll, this high temperature material has a smooth texture and can be fabricated into various seals and gaskets.

Flexible Rubber Sheet: This silicone (50 Durometer) elastomer is well suited for use in applications that require a more flexible material instead of a rigid one. A low durometer rating indicates that the rubber is less resistant to physical indentation, but much more pliable for the purposes of flexibility. Additionally, a lower durometer elastomer is less dense and more pliable that has a high durometer.

High Temperature Material: Silicone rubber is the go-to elastomer for any applications that involve extreme temperatures. This particular black silicone sheet has an operating temperature range of -103 F to 450 F. You can employ this flexible silicone sheet in very cold settings and very hot settings without having to worry about it suffering from immediate damage.

Custom Fabrication Available: In case you want this high temperature material in a customized form, these silicone 50 durometer sheets can be fabricated according to your specifications. Due to the low durometer rating of this elastomer that favors pliability, it can easily be cut by hand. Other fabrication methods are available upon request, such as laser, die, and water-jet cutting.

More Benefits:

  • A hard to find black silicone sheet rubber
  • Resistant to fungus and some chemicals
  • This black silicone material can resist UV and ozone
  • Stocked in popular gauges: 1/32", 1/16", 1/8", and 1/4"


  • Flexible silicone sheets are meant for commercial grade applications

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: Black
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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