BS2751 BA70 Halogen Free Nitrile Washer

SKU: WASHER-SM192
  • Halogen Free Black Nitrile
  • Meets ASTM D 2000 M4 BK712A23B14EF21HG21F5K113
  • REACH, RoHS, PAH and CE compliant
  • Certified to BS2751 BA70
  • Suitable for use with oils, fuels, greases and water with excellent mechanical and physical characteristics
  • High Grade pure NBR: 70° Shore
  • View material – SM192

Select washer shape

Circular Gasket Washer
Circular Washer
Square Gasket Diagram
Square/Rectangular Washer
Square Circular Centre Diagram
Square/Rectangular, Circular Centre
Custom Gasket
Custom Washer

Need something different? Please contact us.

Chemical Resistances

Brine, Calcium Chloride, Carbon Dioxide, Carbon Monoxide, Castor Oil, Corn Oil, Crude Oil, Diesel Oil, Fatty Acids, Gasoline, Glucose, Grease, Heptane, Hydraulic Fluid, Hydrogen Gas, Hydrogen Sulphide, Jet Fuels, Kerosene, Lard, Lime, Linoleic Acid, Linseed Oil, LPG, Lubricating Oils, Mineral Oil, Natural Gas, Neon Gas, Nitrogen, Oil Petroleum, Oleic Acid, Paraffin Wax, Pentane, Petroleum Oils, Pine Oil, Propane, Sea Water, Sewage, Steam, Sulfuric Acid, Toluene, Transformer Oil, Urea, Varnish
PROPERTIES TEST METHOD VALUES
METRIC UNITS
DENSITY (Mg/m3) BS 903: PART A1 1.2 ± 0.02
HARDNESS BS 903: PART A26 70 (+5-4) IRHD
TENSILE STRENGTH (MIN) BS 903:  PART A2 12.5 Mpa
ELONGATION AT BREAK (MIN) BS 903: PART A2 250%
COMPRESSION SET (70ºC/24 HRS/25% SET) (MAX) BS 903: PART A6 20%
TEAR RESISTANCE ( ANGULAR ) MIN BS 903:  PART A3 50 Kg/cm
RESISTANCE TO ACCELERATED AGEING – 168 HRS. AT 70˚C BS 903: PART A19
— HARDNESS (Pts) BS 903: PART A26 + 10 (MAX)
— TENSILE STRENGTH (%) BS 903: PART A2 -10 (MAX)
— ELONGATION AT BREAK (%) BS 903: PART A2 -35 (MAX)
VOLUME SWELL: AT 40˚C FOR 24 HRS/IN BS 903: PART A16
FUEL B (MAX) +25%
RESISTANCE TO LOW TEMPERATURE IN ºC AT WHICH THE STIFNESS SHALL NOT EXCEED 70 MPA BS 903: PART A13 -20
ADHESION TO AND CORROSION OF METALS AT 70ºC / 168 HRS BS 903: PART A 37 MEETS REQUIREMENTS
POLYMER CONTENT (NITRILE) 100%
ADDITIONAL INFORMATION –
CHEMICAL RESISTANCE
— OZONE BS 903: PART A 43 FAIR
— DILUTE ACIDS AND BASES BS 903: PART A16 GOOD
— CONCENTRATED ACIDS AND BASES NOT RECOMMENDED
— MINERAL OIL/PETROLEUM EXCELLENT
— SOLVENTS FAIR
TEMPERATURE RANGE -30˚ to +120˚C
COLOUR BLACK
VOLUME SWELL: AT 70°C FOR 72 HRS/IN VALUES
IRM / ASTM OIL NO.1 – 3 %
IRM / ASTM OIL NO.2 – 2%
IRM / ASTM OIL NO.3 + 10%

 

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