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Abstract Preview

ISO 2909:2002 describes two procedures for calculating the viscosity index (VI) of petroleum products and related materials, such as lubricating oils, from their kinematic viscosities at 40 °C and 100 °C.

Procedure A is applicable to petroleum products of viscosity index up to and including 100.

Procedure B is applicable to petroleum products of viscosity index 100 or greater.

ISO 2909:2002 does not apply to petroleum products with kinematic viscosities less than 2,0 mm2/s at 100 °C. It applies to petroleum products with kinematic viscosities between 2 mm2/s and 70 mm2/s at 100 °C. Equations are provided for calculating the viscosity index of petroleum products having kinematic viscosities above 70 mm2/s at 100 °C.


General information

  • Status :  Published
    Publication date : 2002-12
  • Edition : 3
    Number of pages : 9
  • Technical Committee
    :
    ISO/TC 28
    Petroleum and related products, fuels and lubricants from natural or synthetic sources
  • ICS :
    75.080
    Petroleum products in general

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