Precision Polymer Engineering N70X Nitrile Rubber

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Precision Polymer Engineering N70X Nitrile Rubber
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Self-lubricating, Nitrile Butadiene Rubber (NBR), 65-75 °IRHD. Copolymer of acrylonitrile and butadiene. Special fillers incorporated to enhance operation in dynamic sealing applications. Applications: Excellent resistance to petroleum based oils and fuels. Good compression set, tear and abrasion resistance. Specially compounded for use in dynamic sealing applications requiring a low surface co-efficient of friction.
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Mechanical Properties	Metric	English	Comments

Hardness, Shore A	70	70	°IRHD; ASTM D1415
	85	85	°IRHD, +15 change after 70 hours @ 100°C; ASTM D1415
Tensile Strength, Yield	11.2 MPa	1620 psi	-20% change after 70 hours @ 100°C; ASTM D412
	14.0 MPa	2030 psi	ASTM D412
Elongation at Break	150 %	150 %	-40% change after 70 hours @ 100°C; ASTM D412
	250 %	250 %	ASTM D412
Compression Set	25 % @Temperature 100 °C, Time 86400 sec	25 % @Temperature 212 °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
	-40.0 °C	-40.0 °F	Non-brittle after 3 minutes
Flash Point	>= 300 °C	>= 572 °F

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PPRECI196 / 57920

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