Blue to Green INFINISIL Logo "Spec-Grade Performance Silicone"

Product Description

INFINISIL Spec Grade Performance Silicone

INFINISIL Spec Grade Performance Silicone is designed to be used in applications where higher physical properties and lower compression set are required.

It is resistant to extreme high and low temperature ranges and is proven to be an excellent gasketing material. Meets the A-A-59588 specification which supersedes ZZ-R-765. Made in the USA.

Color: Red (other colors available)

Samples available upon request.

Product Image

Key Aspects

Temperature Range: -80°F to +450°F
Durometer Range (Shore A ± 5): 40 to 70
Tensile (min. psi.): 725
Elongation Range (min. %): 150 to 300
Finishes Available: Smooth, Nylon
Talc: Talc-Free Available
Specification: A-A-59588 2A & 2B

AMS 3301

ASTM D 2000 M1GE

We comply with the Buy American Act requirements.

Advanced Technical Details

(Shore A ± 5)
Compound Thickness
Tensile (psi) Ultimate
Elongation (%)
Estimated Weight
Per Linear Foot
(1/8" x 36")
Minimum Typical Minimum Typical
40 040S0561 Rolls: 1/32 - 1/4
Molded Sheets: Up to 4
36, 48 725 800 300 400 2.36 lb A-A-59588 2A & 2B Grade 40,
AMS 3301, ASTM D2000 M1GE 405
50 050S0562 Rolls: 1/32 - 1/4
Molded Sheets: Up to 4
36, 48 725 820 250 300 2.42 lb A-A-59588 2A & 2B Grade 50,
AMS 3302, ASTM D2000 M1GE 505
60 060S0563 Rolls: 1/32 - 1/4
Molded Sheets: Up to 4
36, 48 725 820 200 320 2.57 lb A-A-59588 2A & 2B Grade 60,
AMS 3303, ASTM D2000 M1GE 605
70 070S0564 Rolls: 1/32 - 1/4
Molded Sheets: Up to 4
36, 48 725 900 150 280 2.59 lb A-A-59588 2A & 2B Grade 70,
AMS 3304, ASTM D2000 M1GE 705

Compound Numbers: 040S0561, 050S0562, 060S0563, 070S0564

Roll Width: 36″ , 48″

Molded Sheet Size: 36″ x 36″ , 48″ x 48″

Trim: Untrimmed

Stock Item Minimum: One Foot

Non Stock Item Minimum: Please Contact Us For minimums & Availability

INFINISIL® is a registered trademark of West American Rubber Company, LLC. All text containing the word “INFINISIL” is trademarked by West American Rubber Company, LLC regardless of whether the ® mark or ™ mark is attached or not.

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. The specification listed here, SAE AMS, stands for the Society of Automotive Engineers International Aerospace Material Specifications, a global association of engineers and related technical experts in the aerospace, automotive, and commercial-vehicle industries. Their website can be found here: The specification listed here, ASTM, stands for the American Society for Testing and Materials which is the developer and provider of voluntary consensus standards, related technical information, and services. Their website can be found here:

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

Other INFINISIL™ Sheet Rubber Products

INFINISIL™ Fiberglass Inserted Silicone

  • Durometer: 40 to 70
  • Temperature Range: -80°F to +450°F
  • Primary Feature: Fiberglass inserted sheet

INFINISIL™ FDA Performance Silicone

  • Durometer: 40 to 80
  • Temperature Range: -80°F to +450°F
  • Specs: FDA approved ingredients per 21 CFR 177.2600

INFINISIL Performance Silicone

  • Durometer: 40 to 80
  • Temperature Range: -80°F to +450°F
  • Primary Feature: High & Low Temperature Resistance, Excellent Weathering Resistance