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Precision Polymer Engineering N70N Nitrile Rubber

Category Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE)
Manufacturer Precision Polymer Engineering Limited
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Precision Polymer Engineering N70N Nitrile Rubber.pdf
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Material Notes:
Nitrile Butadiene Rubber (NBR) 66-75 °IRHD. Copolymer of acrylonitrile and butadiene. To meet Aerospace Material Specification DTD5595A Grade 70.Applications: Synthetic rubber resistant to petroleum-based fuels and diester-based lubricants. Unsuitable for use in contact with phosphate ester hydraulic fluids.
Mechanical Properties Metric English Comments
Hardness, Shore A 70
70
°IRHD; ASTM D1415
70 - 78
70 - 78
°IRHD, -0/+8 change after 168 hours @ 100°C; ASTM D1415
Tensile Strength, Yield 9.45 MPa
1370 psi
-10% change after 168 hours @ 100°C; ASTM D412
10.5 MPa
1520 psi
ASTM D412
Elongation at Break 161 %
161 %
-30% change after 168 hours @ 100°C; ASTM D412
230 %
230 %
ASTM D412
Compression Set 13.5 %
13.5 %
24 hours @ 100°C; ASTM D395
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 150 °C
302 °F
Minimum Service Temperature, Air -40.0 °C
-40.0 °F
-25.0 °C
-13.0 °F
Temperature at which stiffness does not exceed 70 Mpa
Flash Point >= 300 °C
>= 572 °F
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