Red Super Soft Natural Rubber Washer

SKU: WASHER-SM155

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PROPERTIES	TEST METHOD	VALUES FPS UNITS	TEST METHOD	VALUES METRIC UNITS
SPECIFIC GRAVITY	DIN 53508	0.98+0.05	ASTM D297	0.98+0.05
HARDNESS	DIN 53505	38± 5 SH A	ASTM D2240	38± 5 SH A
TENSILE STRENGTH ( MIN )	DIN 53504	3415 PSI	ASTM D412	240 KG/CM2
ELONGATION AT BREAK ( MIN )	DIN 53504	810%	ASTM D412	810%
ABRASION RESISTANCE ( MAX )	DIN 53516	80 MM3	ASTM D5963	80 MM3
COMPRESSION SET ( 70°C/24HRS/25% COMPRESSION ) ( MAX )	DIN 53517	20%	ASTM D395 METHOD B	20%
TEAR RESISTANCE ( ANGULAR ) MIN	DIN 53515	224 LBS/INCH	ASTM D624	40 KG/CM
RESILIENCE		75%		75%
CHANGE IN PROPERTIES AFTER
HEAT AGEING FOR ( 72 HRS. AT 70°C )			ASTM D573
— HARDNESS ( PTS )		+ 3 (MAX)		+ 3 (MAX)
— TENSILE STRENGTH ( % )		+10 / -15		+10 / -15
— ELONGATION AT BREAK ( % )		+10 / -15		+10 / -15
VOLUME SWELL : AT 70°C FOR 72 HRS			ASTM D 471
IN IRM OIL NO.1		NOT RECOMMENDED		NOT RECOMMENDED
IN IRM OIL NO.2		NOT RECOMMENDED		NOT RECOMMENDED
IN IRM OIL NO.3		NOT RECOMMENDED		NOT RECOMMENDED
CHEMICAL RESISTANCE
— OZONE		FAIR	ASTM D 1149	FAIR
— DILUTE ACIDS AND BASES		GOOD		GOOD
— CONCENTRATED ACIDS AND BASES		NOT RECOMMENDED		NOT RECOMMENDED
— OILS		NOT RECOMMENDED		NOT RECOMMENDED
— SOLVENTS		NOT RECOMMENDED		NOT RECOMMENDED
TEMPERATURE RANGE		-30 to +70^oC
COLOUR		RED – RAL 3027

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