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Precision Polymer Engineering N70M 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 N70M Nitrile Rubber.pdf
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Material Notes:
Nitrile Butadiene Rubber (NBR), 68-78 °IRHD. Copolymer of acrylonitrile and butadiene. To meet BS2751 BA70 and ASTM D2000/SAE J200 line call-out 2MBG 714, B14, EA14, EF11, EF21, EO14, EO34, F17.Applications: Excellent resistance to petroleum based oils and fuels. Excellent compression set, tear and abrasion resistance. Good water resistance, but poor against ozone and weather.
Mechanical Properties Metric English Comments
Hardness, Shore A 75
75
°IRHD; ASTM D1415
70 - 85
70 - 85
°IRHD, 10 to -5 change after 70 hours @ 100°C; ASTM D1415
Tensile Strength, Yield 13.0 MPa
1890 psi
ASTM D412
12.35 - 13.65 MPa
1791 - 1980 psi
±5% change after 70 hours @ 100°C; ASTM D412
Elongation at Break 280 %
280 %
-20% change after 70 hours @ 100°C; ASTM D412
350 %
350 %
ASTM D412
Compression Set 25 %
25 %
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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