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ADDITIF AMELIORANT INDICE VISCOSITE [1 record]

Record 1 2002-06-12

English

Subject field(s)
  • Mechanical Transmission Systems
  • Crude Oil and Petroleum Products
  • Fluid Mechanics and Hydraulics (Physics)
DEF

A chemical compound added to a fluid to modify its temperature viscosity relationship.

DEF

Additive, usually a polymer, blended with a base oil to reduce the variation of its viscosity with temperature. [Definition standardized by ISO.]

OBS

viscosity index improver: term standardized by ISO.

Key term(s)
  • viscosity improver

French

Domaine(s)
  • Transmissions mécaniques
  • Pétroles bruts et dérivés
  • Mécanique des fluides et hydraulique (Physique)
DEF

Composé «chimique» ajouté à un fluide pour améliorer ses caractéristiques «viscosité-température».

DEF

Additif, généralement un polymère, mélangé à une huile de base pour réduire la variation de sa viscosité avec la température. [Définition normalisée par l'ISO.]

OBS

améliorant d'indice de viscosité : terme normalisé par l'ISO.

Spanish

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