Product Description

SBR MIL-G-1149

SBR MIL-G-1149 is a military grade SBR product that has been designed to meet the MIL-R-1149 Type 1 Class 2 Specification. Made in the USA.

Samples available upon request.

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Key Aspects

Temperature Range: -40°F to +200°F
Durometer (Shore A ± 5): 50
Tensile (typical psi.): 1300
Elongation (typical %): 400
Finishes Available: Smooth
Talc: Talc-Free Available
Specification: MIL-R-1149 Type 1 Class 2

We comply with the Buy American Act requirements.

Advanced Technical Details

Specification Durometer
(Shore A ± 5)
Tensile (psi) Ultimate
Elongation (%)
Estimated Weight
Per Linear Foot
(1/8" x 36")
Typical Typical
Type 1 Class 2
Grade 50 SBR
50 1/16 - 1/4 36, 48 1300 400 -40°F to +180°F 2.13 lb

Compound Number: 050A0172

Customize This Product To Meet Your Application

Our rubber products are a proprietary blend of various polymers formulated to meet stated physicals and specifications. The named product polymer is not necessarily the primary polymer representing the highest percentage of the polymer blend. Determination of the suitability of the goods for the uses and applications contemplated by Buyer and others shall be the sole responsibility of the Buyer or user. No guaranty is given with respect to length of service on any particular application. Suggestions or recommendations made by Seller in its product literature concerning uses or applications of the goods are believed to be reliable, but Seller makes no warranty or guaranty of results to be obtained since the conditions of the use and application by Buyer and others are beyond Seller’s control.

View complete Terms & Conditions of Sale for suitability of use and formulations

Other Military Specification Grade Sheet Rubber Products


  • Polymer: Nitrile
  • Durometer: 40
  • Temperature Range: -50°F to +220°F
  • Spec: MIL-R-2765


  • Polymer: EPDM
  • Durometer: 85
  • Temperature Range: -40°F to +220°F
  • Specs: MIL-R-21252


  • Polymer: EPDM
  • Durometer: 80
  • Temperature Range: -60°F to +300°F
  • Spec: MIL-R-83285


  • Polymer: EPDM
  • Durometer: 45
  • Temperature Range: -40°F to +180°F
  • Spec: MIL-R-900
View All Military Specification Grade Sheet Rubber Products