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Precision Polymer Engineering N70H 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 N70H Nitrile Rubber.pdf
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Material Notes:
Nitrile Butadiene Rubber (NBR), 65-75 °IRHD. High acrylonitrile (ACN) content. Copolymer of acrylonitrile and butadiene.Applications: The high acrylonitrile content of this rubber increases resistance to heat plus petroleum based oils and fuels, but decreases low temperature flexibility. Good water resistance but poor against ozone and weather.
Mechanical Properties Metric English Comments
Hardness, Shore A 72
72
°IRHD; ASTM D1415
82
82
°IRHD, +10 change after 70 hours @ 100°C; ASTM D1415
Tensile Strength, Yield 10.0 MPa
1450 psi
ASTM D412
10.5 MPa
1520 psi
5% change after 70 hours @ 100°C; ASTM D412
Elongation at Break 160 %
160 %
-20% change after 70 hours @ 100°C; ASTM D412
200 %
200 %
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
Non-brittle after 3 minutes
-35.0 °C
-31.0 °F
Flash Point >= 300 °C
>= 572 °F
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