Low Smoke, Low Flame, Low Toxicity Neoprene
Another example of the extensive capabilities of our laboratory. Low Smoke Low Flame Low Toxicity Neoprene is designed and formulated to meet the mass transit industry’s most demanding requirements and specifications for smoke generation (ASTM E 662), flame propagation (ASTM C 542), and toxic fume production (SMP 800-C).
WARCO’s Low Smoke, Low Flame and Low Toxicity Neoprene is suitable for Rail transit, truck, bus or automotive. Made in the USA.
Samples available upon request.

Temperature Range: | -30°F to +220°F |
Durometer Range (Shore A ± 5): | 65 |
Tensile (min. psi.): | 1200 |
Elongation (min. %) | 300 |
Finishes Available: | Smooth, Nylon |
Talc: | Talc Present |
Specification: | ASTM EASTM C Bombardier Boeing |
We comply with the Buy American Act requirements.
*Certified by Bodycote Materials Testing Canada, Inc.
**This material will meet the flame requirement of UL 940VO, but is not UL listed.
Compound Number: 065E1344
Unsure on how to read our compound number? Read the page, “How to Read a Compound Number”.
Rubber Roll Width
Standard WARCO Sheet rubber rolls are untrimmed and can measure approximately 3” in additional width. Trimmed rolled rubber is provided either 36”, 48” or 55” wide ± 1”
Custom widths are available, please call for details.
Rubber Roll Lengths
Standard Roll approximate length ±10%. Products may vary, please see product listing for standard roll lengths.
Sheet Roll Lengths:
- 1/64″ thick – 180 feet
- 1/32” thick – 150 feet
- 1/16” thick – 100 feet
- 3/32” thick – 65 feet
- 1/8” thick – 50 feet
- 3/16” thick – 30 feet
- 1/4” thick – 25 feet
- 5/16” thick – 20 feet
- 3/8” thick – 16.5 feet
- 1/2” thick – 12.5 feet
Sheet Rubber Thickness Tolerances
Closer tolerances and Custom thicknesses are available and can be priced on request.
WARCO Thickness Tolerance – Standard RMA
- 0.031” & thinner: ± 0.010″
- 0.032″ to 0.061″: ± 0.012″
- 0.062″ to 0.124″: ± 0.016″
- 0.125″ to 0.186″: ± 0.020″
- 0.187″ to 0.374″: ± 0.031″
- 0.375″ to 0.500″: ± 0.047″
- 0.501″ to 0.750″: ± 0.094″
- 0.751″ & thicker: ± 10%
Sheet Rubber Finish
Unless otherwise noted, sheet rubber has a standard smooth finish. Textured (fabric) finish and matte finish are available on most materials at an additional cost. Please call for details.
Sheet Rubber Color
The standard color of our sheet rubber is black, unless noted otherwise. Custom colors and color matching is available.
Test Reports
Short form test results, basic physicals, are available upon request at the time of the order. Full test reports for particular specifications will be also quoted on request. This may include certifying the ozone resistance, heat ageing, compliances, and many more aspects of our product. Certifications are sent with your order upon request at no charge.
More information about the WARCO products is available at General Product Information.
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/.
View complete Terms & Conditions of Sale for suitability of use and formulations