Protein Free (Synthetic Polyisoprene) Natural Rubber
Protein Free (Synthetic Polyisoprene) Natural Rubber represents a synthetic polyisoprene which does not contain protein, which can cause allergic reactions in some cases.
All materials are made with FDA approved ingredients per 21CFR 177.2600. Light Tan in color. Made in the USA.
Samples available upon request.

Temperature Range: | -40°F to +160°F |
Durometer (Shore A ± 5): | 40 |
Tensile (psi.): | 2800 |
Elongation (%): | 600 |
Finishes Available: | Smooth |
Talc: | Talc Present |
Specification: | ASTM D 2000 M1AA
FDA Approved INgredients per 21 CFR 177.2600 |
We comply with the Buy American Act requirements.
Durometer Hardness (Shore A ± 5) |
Thickness (inches) |
Width (inches) |
Tensile PSI |
Ultimate Elongation Percent |
Temperature Range |
Estimated Weight Per Linear Foot (1/8" x 36") |
Specifications |
---|---|---|---|---|---|---|---|
40 040R0526 |
1/64 - 1/4 | 36, 48 | 2800 | 600 | -40°F to +160°F | 1.91 lb | ASTM D 2000 M1AA 417, FDA Approved Ingredients per 21 CFR 177.2600 |
This material does not contain protein, which may cause alergic reactions.
Compound Number: 040R0526
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, 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: https://www.astm.org/. This specification, FDA Approved Ingredients per 21 CFR, refers to the inventory of substances authorized in Title 21 of the U.S. Code of Federal Regulations (21 CFR) for uses in contact with foods as illustrated by the Food and Drug Administration. The FDA is responsible for protecting public health by ensuring the safety, efficacy, and security of human and veterinary drugs, biological products, and more. This specification website can be found here: https://www.fda.gov/food/packaging-food-contact-substances-fcs/inventory-food-contact-substances-listed-21-cfr.
View complete Terms & Conditions of Sale for suitability of use and formulations