AS568-116 HNBR (HSN) Highly Saturated Nitrile 70 Duro O-Ring



$0.360

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7-249
$0.360
250-1,299
$0.290
1,300+
$0.180
  • Model: H70116
    Dimensions: 3/4"ID X 15/16"OD X 3/32"CS
    Actual: 0.737"ID X 0.103"CS
    Metric: 18.72mm ID X 2.62mm CS
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  • 7,249 in Stock
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3/4"ID X 15/16"OD X 3/32"CS

Highly Saturated Nitrile Butadiene Rubber

HNBR, or HSN, is a hydrogenated NBR for increased saturation of the butadiene segment of the main carbon polymer chain. This gives HNBR better thermal stability, greater tensile strength, greater wear and extrusion resistance, increased resistance to ozone and oxygen, and broader chemical resistance compared to a standard NBR. HNBR It is often seen in automotive air conditioning applications due to its excellent resistance to R-134a refrigerants. With minimal degredation, HNBR may be used from -40°F to 300°F  for extended periods.

HNBR / HSN Recommended uses:

  • Petroleum oils and fluids.
  • Automotive refrigerants (R134-a)
  • Hydrogen sulfide (H2S) or sour gas
  • Carbon Dioxide (CO2)
  • Gasoline
  • Hydraulic fluids
  • L.P. gases
  • Silicone greases and oils
  • Di-ester base lubricants (MIL-L-7808).
  • Ethylene glycol base fluids (Hydrolubes)

Not recommended for:

  • Halogenated hydrocarbons (carbon tetrachloride, trichloroethylene)
  • Nitro hydrocarbons (nitrobenzene, aniline)
  • Phosphate ester hydraulic fluids (Skydrol, Fyrquel, Pydraul).
  • Ketones (MEK, acetone)
  • Sunlight, UV
  • Weather
  • Strong Acids
  • Automotive brake fluid

Compound Info:

  • Highly Saturated Nitrile Butadiene Rubber Peroxid Cured
  • Color: Green
  • Duro: 70
  • FDA: No
  • ASTM D2000 M4DH716 A26 B36 EO16 EO36 F17 Z1 Z2 (Z1=Green Color ,  Z2=Automotive A/C Refrigerant Resistance)

Operating temperature: -40° to +300°F

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