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Precision Polymer Engineering N40M 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
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Material Notes:
Nitrile Butadiene Rubber, 35-45 °IRHD. Medium acrylonitrile (ACN) content. Copolymer of acrylonitrile and butadiene. To meet British Standard BS2751 BA40.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 40
40
°IRHD; ASTM D1415
45
45
°IRHD, +5 change after 70 hours @ 70°C; ASTM D1415
Tensile Strength, Yield 5.60 MPa
812 psi
-20% change after 70 hours @ 70°C; ASTM D412
7.00 MPa
1020 psi
ASTM D412
Elongation at Break 390 %
390 %
-35% change after 70 hours @ 70°C; ASTM D412
600 %
600 %
ASTM D412
Compression Set 30 %
30 %
24 hours @ 70°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
-30.0 °C
-22.0 °F
Temperature at which stiffness does not exceed 70 Mpa
Flash Point >= 300 °C
>= 572 °F
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