Precision Polymer Engineering N70C Nitrile Rubber

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Precision Polymer Engineering N70C Nitrile Rubber
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Nitrile Butadiene Rubber (NBR), 65-75 °IRHD. High acrylonitrile (ACN) content. Copolymer of acrylonitrile and butadiene. To meet British Gas Specification BGC/PS/LC6 Class D, approval ref.: 31/6.1.vii. MSL lab code 2P.670. Also meets British Standard BS2494 Type G. Applications: Elastomeric seals for use in pipelines carrying manufactured or natural gas at operating temperatures of -5°C to +40°C and pressures up to 7 bar.
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Mechanical Properties	Original Value	Comments

Hardness, Shore A	70	°IRHD; ASTM D1415
	75	°IRHD, +5 change after 70 hours @ 100°C; ASTM D1415
Tensile Strength, Yield	8.10 MPa	-10% change after 70 hours @ 100°C; ASTM D412
	9.00 MPa	ASTM D412
Elongation at Break	150 %	-25% change after 70 hours @ 100°C; ASTM D412
	200 %	ASTM D412
Compression Set	12 % @Temperature 70.0 °C, Time 86400 sec	ASTM D395

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	120 °C
Minimum Service Temperature, Air	-30.0 °C
Flash Point	>= 300 °C

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PPRECI186 / 57910

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