Crushed EPDM sponge rubber

Crushed EPDM

Physical PropertiesUnitTest MethodTypical Results
Densitykg/m 3 ASTM D 1056 64 - 128
lb/ft 3 ASTM D 1056 4.0 - 8.0
 Hardness, Durometer Shore 00 ASTM D 2240 5 ± 5
 Compression Deflection (25%)(3/8" or 9.53 mm & higher kPa ASTM D 1056 6.9 maximum
psi ASTM D 1056 1.0 maximum
 50% Compression Set (Room Temp) % ASTM D 1056 < = 25%
 Tensile Strength kPa ASTM D 412 (DIE A) 105 minimum
 psi ASTM D 412 (DIE A) 15 minimum
 Tear Strength kN/m ASTM D 624 (DIE C) 0.7 Typical
 ib/in ASTM D 624 (DIE C) 4.0 Typical
 Elongation % ASTM D 412 (DIE A) 175 minimum
 Service Temperature (1)
      Low°F (°C) ASTM D 746 -70°F (-56°C)
      High Continuous°F (°C) ASTM D 746 --
      High Intermittent°F (°C) ASTM D 746 250°F (121°C)
 Water Absorbtion
       Maximum Weight Change % ASTM D 1056 Not Applicable
Fluid Immersion (7 days at 23°C [73.4°])
       ASTM Ref. Fuel B, Weight Change% % ASTM D 1056 Not Applicable
Accelerated Aging (7 days at 70°C [158°F]
      Flexibility (180° bend without cracking) ASTM D 1056 Pass
      Appearance change ASTM D 1056 None
      Change in Compression Deflection % ASTM D 1056 ± 30%
 Combustion Characteristics (3) Thicknesses Comments
FMVSS-302 0.125" (3.1 mm) & higher Pass
UL-94
       5VA 0.169" - 0.183" (4.29mm - 4.64mm) Listed, UL file #QMFZ2.E55798
       V-0 0.124" - 0.134" (3.14 mm - 3.41mm) Listed, UL file #QMFZ2.E55798
      HF - 1 0.133" - 0.144" (3.37 mm - 3.65mm) Listed, UL file #QMFZ2.E55798