High Grade Non-reinforced Diaphragm Neoprene Strip

SKU: ST-SM208

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	DIN 53508	1.40±0.05	ASTM D297	1.40±0.05
HARDNESS	DIN 53505	65 ± 5 SH A	ASTM D2240	65 ± 5 SH A
TENSILE STRENGTH (MIN)	DIN 53504	1422 PSI	ASTM D412	100 KG/CM2
ELONGATION AT BREAK (MIN)	DIN 53504	400 %	ASTM D412	400 %
COMPRESSION SET (70ºC/24 HRS/25% COMPRESSION) (MAX)	DIN ISO 815-1	40%	ASTM D395 METHOD B	40%
TEAR RESISTANCE (ANGULAR) MIN	DIN 53515	95 LBS/INCH	ASTM D624	25 KG/CM
CHANGE IN PROPERTIES AFTER
HEAT AGEING FOR (72 HRS. AT 70ºC )			ASTM D573
— HARDNESS (PTS)		+ 5 (MAX)		+ 5 (MAX)
— TENSILE STRENGTH (%)		+ 10 / – 25		+ 10 / – 25
— ELONGATION AT BREAK (%)		+ 10 / – 30		+ 10 / – 30
VOLUME SWELL: AT 70º C FOR 72 HRS			ASTM D 471
IN IRM OIL NO.1		+ 18%		+ 18%
IN IRM OIL NO.2		+ 23%		+ 23%
IN IRM OIL NO.3		+ 60%		+ 60%
POLYMER CONTENT (NEOPRENE)		100%		100%
CHEMICAL RESISTANCE
— OZONE		GOOD	ASTM D 1149	GOOD
— DILUTE ACIDS AND BASES		FAIR		FAIR
— CONCENTRATED ACIDS AND BASES		FAIR		FAIR
— OILS		GOOD		GOOD
— SOLVENTS		FAIR		FAIR
TEMPERATURE RANGE		-30º TO + 130º C		-30º TO + 130º C

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