Typical Properties of Open Cell Sponge Cord

MATERIAL: OPEN CELL SPONGE CORD

Color (Style)	TAN (HD)	BROWN or BLACK (LD)	TAN (EPDM)
Cord Diameter – Tolerance	+0.030" –0.010"	+0.030" –0.010"	+0.030" – 0.010"
Cord Diameter – Available	3/8", 13/32", 7/16", 1/2"	3/8", 13/32", 7/16", 1/2"	3/8", 13/32" 7/16", 1/2"
Compression/Deflection 25% (test sample used 12" length X dia.)	Range: 40 to 48 psi average = 44 lb.	Range: 18 to 28 psi average = 22 lb.	Range: 30 to 38 psi average = 33 lb.
Average Density lb./cu.ft.	32 – 40 Pounds	22 – 30 Pounds	25 – 33 Pounds
Tensile Strength	Minimum 40 lb./cu.ft.	Minimum 35 lb./cu.ft.	Minimum 35 lb./cu.ft.
Elongation	Minimum 250%	Minimum 250%	Minimum 250%
Low Temperature	0°F	0°F	0°F
High Temperature	+158°F	+158°F	+210°F
Material Product Base	Natural Rubber	Natural Rubber	EPDM
Standard Specifications	ASTM D1056-00 MIL R 6130 FDA 117.2600 ASTM D6576-00 ASTM F1909-98	ASTM D1056-00 MIL R 6130 FDA 117.2600 ASTM D6576-00 ASTM F1909-98	ASTM D1056-00 MIL R 6130 FDA 117.2600 ASTM D6576-00 ASTM F1909-98