The recommended rubber shelf life may vary based on polymer type and compound formulation. The actual life could vary dramatically based on storage conditions. As a fully integrated manufacturer, WARCO is equipped to formulate custom compounds specifically designed for your application. Please contact us to discuss your needs.
Technical director, Shi Hwang has also written an in-depth article that takes a detailed look at rubber’s shelf life and storage conditions.
Recommended Storage Conditions
- Store in a cool, dry place with temperature below 75°F
- Keep away from direct heat or open flames
- Avoid contact with solvents or other fluids
- Do not store in direct sunlight
- Keep products wrapped or sealed to minimize absorption of moisture
- Store in a relaxed condition free from tension, compression or other deformation
| Common or Trade Name | Type of Rubber Polymer | ASTM D 1418 Designation | ASTM D 2000 Classification | MIL–R–3065 (MIL–STD–417) Classification | Recommended Shelf Life* |
|---|---|---|---|---|---|
| Silicone | Silicone | Q | FE, GE | TA | 20 years |
| Viton® | Fluoroelastomer | FKM | HK | TB | |
| Nitrile, Buna-N | Acrylonitrile-butadiene | NBR | BF, BG, BK, CH | SB | 5 to 15 years |
| Butyl | Isobutylene-isoprene | IIR | AA, BA | RS | |
| Neoprene | Polychloroprene | CR | BC, BA | SC | |
| EPDM, EP Rubber | Ethylene-propylene | EPDM | BA, CA | RS | |
| Hydrin | Epichlorohydrin | CO, ECO | CH | SB | |
| SBR | Styrene-butadiene | SBR | AA, BA | RS | 3 to 5 years |
| Natural Rubber | Polyisoprene | NR | AA | RN | |
| Synthetic NaturalRubber | Polyisoprene | IR | AA | RN | |
| Neoprene (CommercialGrade) | --- | --- | BC | SC | |
| Nitrile, Buna-N (CommercialGrade) | Acrylonitrile-butadiene | NBR | BF, BG | SB |
*The recommended shelf life pertains to vulcanized products and may vary based on polymer type and formulation.
Need Specific Recommendations? Then Contact Our Specialists!
At WARCO, your success is a high priority, and we would like to offer a free professional recommendation on how to best preserve your rubber products. Our team of specialists are ready and well-equipped to answer any of your questions.
Feel Free to: Call (714) 532-3355 or Email Sales@warco.com
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With over 114 years of excellence, WARCO has become an industry leader in rubber manufacturing. Unlike many others in our industry, we control every step of the process; from research and development to the packaged finished product.
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West American Rubber Company, LLC.
1337 W. Braden Court, Orange
California 92868
Cage Code: 06470
Phone: (714) 532-3355
Toll Free: (877) 229-2726
Email: sales@warco.com
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