
INFINISIL Fiberglass Inserted Silicone
INFINISIL Fiberglass Inserted Silicone is preferred where dimensional stability from mechanically reinforced silicone sheet rubber is required.
It is resistant to extreme high and low temperature ranges and is proven to be an excellent gasketing material. With increased tensile strength from fiberglass reinforcement may be used in belting and diaphragm applications. Made in the USA.
Samples available upon request.

Temperature Range: | -80°F to +450°F |
Durometer Range (Shore A ± 5): | 40 to 80 |
Tensile Range (typical psi.): | 750 to 800 |
Elongation Range (typical %): | 300 to 450 |
Finishes Available: | Smooth, Nylon* |
Talc: | Talc Free Available |
Primary Feature: | Fiberglass Insert |
*Nylon Finish Always Talc Free
We comply with the Buy American Act requirements.
Durometer Hardness (Shore A ± 5) |
Compound | Thickness (inches) |
Width (inches) |
Tensile (psi) | Ultimate Elongation (%) |
Estimated Weight Per Linear Foot (1/8" x 36") |
||
---|---|---|---|---|---|---|---|---|
Minimum | Typical | Minimum | Typical | |||||
40 | 040S0842 | Rolls: 1/32 - 1/4 Molded Sheets: Up to 4 |
36, 48 | --- | 750 | --- | 450 | 2.36 lb |
50 | 050S0843 | Rolls: 1/32 - 1/4 Molded Sheets: Up to 4 |
36, 48 | --- | 750 | --- | 400 | 2.46 lb |
60 | 060S0844 | Rolls: 1/32 - 1/4 Molded Sheets: Up to 4 |
36, 48 | --- | 800 | --- | 350 | 2.63 lb |
70 | 070S0845 | Rolls: 1/32 - 1/4 Molded Sheets: Up to 4 |
36, 48 | --- | 800 | --- | 300 | 2.59 lb |
Compound Number: 040S0842, 050S0843, 060S0844, 070S0845
Weave | Count | Weight | Thickness | Breaking Strength | Specification |
---|---|---|---|---|---|
Plain | 28 x 20 | 11.8 oz per sq yd | 0.013" | 525 x 375 | MIL-Y-1140H Class C Form 4 |
Molded Sheet Size: 36″ x 36″ , 48″ x 48″
Trim: Untrimmed
Color: Black
Stock Item Minimum: One Foot
Non Stok Item Minimum: One Roll
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.
View complete Terms & Conditions of Sale for suitability of use and formulations