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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
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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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