This standard was last reviewed and confirmed in 2020. Therefore this version remains current.
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
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Status : PublishedPublication date : 2002-12
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Edition : 3Number of pages : 9
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Technical Committee:Petroleum and related products, fuels and lubricants from natural or synthetic sources
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- ICS :
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Petroleum products in general
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