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Precision Polymer Engineering N70U Nitrile Rubber

Category	Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE)
Manufacturer	Precision Polymer Engineering Limited
Trade Name
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Precision Polymer Engineering N70U Nitrile Rubber.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

Nitrile Butadiene Rubber (NBR) 65-75 °IRHD. Copolymer of acrylonitrile and butadiene. To meet Aerospace Material Specification DTD458A Grade A1 (specification inactive for new design).Applications: Synthetic rubber for use with mineral base aviation hydraulic fluid.

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	70	70	°IRHD; ASTM D1415
	60 - 80	60 - 80	°IRHD, ±10 change after 70 hours @ 100°C; ASTM D1415
Tensile Strength, Yield	6.46 MPa	937 psi	-15% change after 70 hours @ 100°C; ASTM D412
	7.60 MPa	1100 psi	ASTM D412
Elongation at Break	210 %	210 %	-30% change after 70 hours @ 100°C; ASTM D412
	300 %	300 %	ASTM D412
Compression Set	7.0 %	7.0 %	24 hours @ 100°C; 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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