Precision Polymer Engineering N40M Nitrile Rubber

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Precision Polymer Engineering N40M Nitrile Rubber
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Nitrile Butadiene Rubber, 35-45 °IRHD. Medium acrylonitrile (ACN) content. Copolymer of acrylonitrile and butadiene. To meet British Standard BS2751 BA40. Applications: Excellent resistance to petroleum based oils and fuels. Excellent compression set, tear and abrasion resistance. Good water resistance but poor against ozone and weather.
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Mechanical Properties	Metric	English	Comments

Hardness, Shore A	40	40	°IRHD; ASTM D1415
	45	45	°IRHD, +5 change after 70 hours @ 70°C; ASTM D1415
Tensile Strength, Yield	5.60 MPa	812 psi	-20% change after 70 hours @ 70°C; ASTM D412
	7.00 MPa	1020 psi	ASTM D412
Elongation at Break	390 %	390 %	-35% change after 70 hours @ 70°C; ASTM D412
	600 %	600 %	ASTM D412
Compression Set	30 % @Temperature 70.0 °C, Time 86400 sec	30 % @Temperature 158 °F, Time 24.0 hour	ASTM D395

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	120 °C	248 °F
Minimum Service Temperature, Air	-40.0 °C	-40.0 °F
	-30.0 °C	-22.0 °F	Temperature at which stiffness does not exceed 70 Mpa
Flash Point	>= 300 °C	>= 572 °F

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PPRECI174 / 57898

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