553 EPDM Foam Pads

POLYMER:

Ethylene Propylene Diene Monomer (EPDM)

COMPRESSION SET, 22 HOURS @ 158°F, 50% (MAX) [ASTM D3958]:

50%

TENSILE STRENGTH (MIN) [ASTM D412]:

800 psi

ELONGATION (MIN) [ASTM D412]:

300%

DUROMETER/HARDNESS (SHORE A) [ASTM 2240]:

50

SPECIFIC GRAVITY:

1.16 gr/cc

OZONE 50 PPHM, 70 HOURS @ 40°F [ASTM D1149]:

NO CRACKING

HARDNESS CHANGE AFTER HEAT AGING 22 HOURS @ 212°F [ASTM D573]:

+10 points max.

TENSILE CHANGE AFTER HEAT AGING 22 HOURS @ 212°F [ASTM D573]:

-25% max.

ELONGATION CHANGE AFTER HEAT AGING 22 HOURS @ 212°F [ASTM D573]:

-25% max.