Product Description

MIL-R-6855 Class 2 / MIL-PRF-6855 Class 2

Neoprene MIL-R-6855 Class 2 is a military-grade neoprene product that meets the MIL-R-6855 Class 2 Specification.

MIL-R-6855 Class 2 is equivalent to MIL-PRF-6855 Class 2. Made in the USA.

Samples available upon request.

Product Image

Key Aspects

Temperature Range:-50°F to +220°F
Durometer Range (Shore A ± 5):30 to 80
Tensile Range (typical):1300 psi to 1900 psi
Elongation Range (typical):160% to 550%
Finishes Available:Smooth
Talc:Talc-Free Available
Primary Feature:Made in the USA

We comply with the Buy American Act requirements.

Advanced Technical Details

SpecificationDurometer
Hardness
(Shore A ± 5)
Thickness
(inches)
Width
(inches)
Tensile (psi)Ultimate
Elongation (%)
Temperature
Range
Estimated Weight
Per Linear Foot
(1/8″ x 36″)
Specification
Sheets
MIL-R-6855 / MIL-PRF-6855
Class 2 Grade 30
301/64 – 1/436, 481300* psi550%*-67°F to +220°F2.36 lbAvailable
Upon Request
MIL-R-6855 / MIL-PRF-6855
Class 2 Grade 40
401/64 – 1/436, 481300 psi500%-67°F to +220°F2.45 lb
MIL-R-6855 / MIL-PRF-6855
Class 2 Grade 50
501/64 – 1/436, 481500 psi350%-50°F to +220°F2.53 lb
MIL-R-6855 / MIL-PRF-6855
Class 2 Grade 60
601/64 – 1/436, 481500 psi300%-50°F to +220°F2.69 lb
MIL-R-6855 / MIL-PRF-6855
Class 2 Grade 70
701/64 – 1/436, 481600 psi200%-67°F to +220°F2.67 lb
MIL-R-6855 / MIL-PRF-6855
Class 2 Grade 80
801/64 – 1/436, 481650* psi160%*-67°F to +220°F2.78 lbAvailable
Upon Request

*These values are presented as typical – we certify to the minimum value

Compound Numbers: 030E0811(30E811), 040E0687(40E687), 050E0785(50E785), 060E0700(60E7), 070E0711(70E711), 080E0702(80E702)

Unsure on how to read our compound number? Read the page, “How to Read a Compound Number”.

General Information for WARCO Sheet Rubber

Rubber Roll Width

WARCO Sheet rubber rolls are available in 36” or 48” width. Custom widths available up to 55″. Rolls are untrimmed and can measure approximately 3” in additional width. Trimmed rolled rubber is available upon request.

Custom widths are available, please call (714-532-3355) for details.

Standard Minimum Order Quantity

The minimum order quantity for a standard WARCO Sheet rubber is one roll. For custom applications, please call (714-532-3355) for more information.

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.

In addition to the previously mentioned specification, we also offer a comprehensive list of tables and explanations relating to the MIL-PRF-6855 specifications for rubber sheet, rubber strips, rubber extruded tubing, and rubber extruded u channels. Learn more at this link.

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, MIL, represents the United States Military Departments and the Defense Agencies’ standardization documents that have been developed and used for products, materials, and processes that have multiple applications to promote commonality and interoperability and to limit the variety of items in the military supply system. Their website can be found here: https://www.dsp.dla.mil/Specs-Standards/.

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

Other Military Specification Grade Sheet Rubber Products

MIL-R-2765

  • Polymer: Nitrile
  • Durometer: 40
  • Temperature Range: -50°F to +220°F
  • Spec: MIL-R-2765

MIL-R-6855 Class 1

  • Polymer: Nitrile
  • Durometer: 40 to 80
  • Temperature Range: -50°F to +200°F
  • Specs: MIL-R-6855 Class 1

MIL-R-21252 / MIL-DTL-21252

  • Polymer: EPDM
  • Durometer: 85
  • Temperature Range: -40°F to +220°F
  • Specs: MIL-R-21252 / MIL-DTL-21252

Neoprene MIL-G-1149

  • Polymer: Neoprene
  • Durometer: 50
  • Temperature Range: -30°F to +200°F
  • Specs: MIL-G-1149 Type 1 Class 1