Non-reinforced Diaphragm EPDM Strip

SKU: ST-SM204

Thickness (mm) *

Width (mm) *

Total Length (m) *

Self-adhesive backing

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PROPERTIES	TEST METHOD	VALUES FPS UNITS	TEST METHOD	VALUES METRIC UNITS
SPECIFIC GRAVITY	ASTM D297	1.15	DIN 53508	1.15
HARDNESS	ASTM D2240	60 ± 5 SH A	DIN 53505	60 ± 5 SH A
TENSILE STRENGTH ( MIN )	ASTM D412	1425 PSI	DIN 53504	100 KG/CM2
ELONGATION AT BREAK ( MIN )	ASTM D412	300%	DIN 53504	300%
COMPRESSION SET (70ºC/24 HRS/25% SET) (MAX)	ASTM D395 METHOD B	30%	DIN 53517	30%
TEAR RESISTANCE ( ANGULAR ) MIN	ASTM D624	168 LBS/INCH	DIN 53515	30 KG/CM
CHANGE IN PROPERTIES
HEAT AGEING ( 72 HRS. AT 70ºC )	ASTM D573
— HARDNESS (PTS)		+ 3 (MAX)		+ 3 (MAX)
— TENSILE STRENGTH (%)		+ 10 / – 10		+ 10 / – 10
— ELONGATION AT BREAK (%)		+ 10 / – 10		+ 10 / – 10
VOLUME SWELL : AT 70ºC FOR 72 HRS/IN	ASTM D 471
ASTM OIL NO.1		NOT RECOMMENDED		NOT RECOMMENDED
ASTM OIL NO.2		NOT RECOMMENDED		NOT RECOMMENDED
ASTM OIL NO.3		NOT RECOMMENDED		NOT RECOMMENDED
POLYMER CONTENT (EPDM)		100%		100%
CHEMICAL RESISTANCE
— OZONE	ASTM D 1149	EXCELLENT		EXCELLENT
— DILUTE ACIDS AND BASES		EXCELLENT		EXCELLENT
— CONCENTRATED ACIDS AND BASES		EXCELLENT		EXCELLENT
— OILS		NOT RECOMMENDED		NOT RECOMMENDED
— SOLVENTS		NOT RECOMMENDED		NOT RECOMMENDED
TEMPERATURE RANGE		-30ºTO + 130ºC		-30ºTO + 130ºC
COLOUR		BLACK

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