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EPT Series

Material: EPT Series Closed Cell EPDM Sponge
Description: EPT Series Closed Cell EPDM Sponge is a fine celled material used in weather-stripping and gasket applications. This is available with adhesive or plain.

Excellent resistance to Acid, Alkali, Ozone, and Oxidation.

Technical Specifications
Physical Property U/M Test Method Value Notes
    ASTM D 1056-68 RE41  
    ASTM D 1056-78 RE41  
    ASTM D 1056-85, 91, 98 2A1  
    MIL-R 6130C II-A Soft TY/GR/CONDITION
    MIL-C-3133C PASS MIL STD 670 D
Accelerated Aging   ASTM D 1056 PASS 180 BEND / NO CRACKING
Compression Deflection PSI ASTM D 1056 3.5 +/- 1.5 @ 25%
Density PCF ASTM D 3575 4 +/- 1
Elongation % ASTM D 412 (DIE A) 125  
Flammability   MIL-R-6130C PASS >/= .188"
Flammability   FMVSS-302 PASS >/= .188"
Maximum Temperature F   220  
Minimum Temperature F   -40  
Tensile Strength PSI ASTM D 412 (DIE A) 40  
Thermal Conductivity K ASTM C 177-85 .30  
Water Absorption % ASTM D 1056 5 Max. weight change

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The Eisenhower interstate system requires that one mile in every five must be straight. These straight sections are usable as airstrips in times of war or other emergencies.
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