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Compound Test Specifications
RECIPE: V6034-SPDA BASE POLYMER: EPDM/CPE
SPECIFICATION BASIS: ASTM D-1056, Grade 2A2 & 2C2
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METHOD
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SPECIFICATION
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REQUIRED
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OBTAINED
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D-1056-B
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Compression Set, %
max, 22h @ RT, 50%
deflection, 24h recov.
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25%
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8.1
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D-1056
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Compression Deflection
@ 25% deflection.
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5-9 psi
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8.4
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|
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Heat aged 168h @ 158º
max load increase to
deflect 25%. D-573
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25%
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2.6
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Shrinkage, 50h @ 93ºC
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5% max
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-3.4
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D-1056
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Water Absorbtion,
Mass % change.
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+5%
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1.04
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D-1149
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Ozone resistance 72h @
38ºC, 20% stretch,
100 pphm
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no cracks
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no cracks
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Flammability, not able
to support combustion
after ignition.
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no burn
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pass
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D-1056
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Oil resistance 7 days at
23ºC (73.4ºF) change in
weight, Fuel B.
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150% max
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94%
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