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ISO 2909:2002

Petroleum products — Calculation of viscosity index from kinematic viscosity

Standard Details

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
Standard Type: Main
Document No: ISO 2909:2002
Document Year: 2002
Pages: 9
Edition: 3
  • Section Volume:
  • 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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ISO 2909:2002

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