10% Content Nitrile/SBR Rubber 50° shore Washer

SKU: WASHER-SM104

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PROPERTIES	TEST METHOD	VALUES FPS UNITS	TEST METHOD	VALUES METRIC UNITS
SPECIFIC GRAVITY	DIN 53508	1.45 ± 0.05	ASTM D297	1.45 ± 0.05
HARDNESS	DIN 53505	50 ± 5 SH A	ASTM D2240	50 ± 5 SH A
TENSILE STRENGTH ( MIN )	DIN 53504	569 PSI	ASTM D412	40 KG/CM2
ELONGATION AT BREAK ( MIN )	DIN 53504	200%	ASTM D412	200%
COMPRESSION SET (70 ºC/24 HRS/25% SET) (MAX)	DIN ISO 815-1	40%	ASTM D395 METHOD B	40%
TEAR RESISTANCE ( ANGULAR ) MIN	DIN 53515	100 LBS/INCH	ASTM D624	18 KG/CM
CHANGE IN PROPERTIES
HEAT AGEING ( 72 HRS. AT 70 ºC )			ASTM D573
— HARDNESS (PTS)		+ 5 (MAX)		+ 5 (MAX)
— TENSILE STRENGTH (%)		+ 10 / – 25		+ 10 / – 25
— ELONGATION AT BREAK (%)		+ 10 / – 25		+ 10 / – 25
VOLUME SWELL : AT 70º C FOR 72 HRS/IN			ASTM D 471
IRM OIL NO.1		+ 30%		+ 30%
IRM OIL NO.2		+ 44%		+ 44%
IRM OIL NO.3		+ 85%		+ 85%
POLYMER CONTENT (NITRILE)		10%		10%
CHEMICAL RESISTANCE
— OZONE		FAIR	ASTM D 1149	FAIR
— DILUTE ACIDS AND BASES		FAIR		FAIR
— CONCENTRATED ACIDS AND BASES		NOT RECOMMENDED		NOT RECOMMENDED
— OILS		NOT RECOMMENDED		NOT RECOMMENDED
— SOLVENTS		NOT RECOMMENDED		NOT RECOMMENDED
TEMPERATURE RANGE		-30 º TO +90º C		-30 º TO +90º C

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