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Rulon Bearings

Precision Polymer Engineering Z75L Hydrogenated NBR Compound
Categories: Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)

Material Notes: Peroxide Cured, Hydrogenated Nitrile Rubber, 75-85 °IRHD. Low acrylonitrile content (ACN = 17%).

Applications: Specially compounded for service in low-temperature applications. High strength and excellent chemical resistance. Higher operating temperature than standard nitrile. Suitable for use with sour (H2S) crude oil and gas, which may also include lubricating, oil additives and amine corrosion inhibitors. Good resistance to weathering and ozone.

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Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 8080°IRHD; ASTM D1415
 9090°IRHD, +10 change after 70 hours @ 150°C; ASTM D1415
Tensile Strength, Yield 11.25 MPa1632 psi-25% change after 70 hours @ 150°C; ASTM D412
 15.0 MPa2180 psiASTM D412
Elongation at Break 84 %84 %-30% change after 70 hours @ 150°C; ASTM D412
 120 %120 %ASTM D412
Compression Set 30 %
@Temperature 150 °C,
Time 79200 sec
30 %
@Temperature 302 °F,
Time 22.0 hour
ASTM D395
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 180 °C356 °F
Minimum Service Temperature, Air -40.0 °C-40.0 °F
 -40.0 °C-40.0 °FNon-brittle after 3 minutes
Flash Point >= 300 °C>= 572 °F

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