ISO 4263-4:2006 Preview

Petroleum and related products -- Determination of the ageing behaviour of inhibited oils and fluids -- TOST test -- Part 4: Procedure for industrial gear oils

ISO 4263:2006 specifies a method for the determination of the ageing behaviour of gear oils of categories CKC, CKD, CKS and CKT as defined in ISO 6743-6. The ageing is accelerated by the presence of air and elevated temperatures, and the degradation of the oil is assessed by the change in kinematic viscosity at 100 °C, the insoluble content (precipitation number), and possibly the acid number increase, the sediment content by filtration, the additives content variation and the infra-red oxidation.


General information

  • Current status : Published
    Publication date : 2006-02
  • Edition : 1
    Number of pages : 15
  • :
    ISO/TC 28
    Petroleum and related products, fuels and lubricants from natural or synthetic sources
  • 75.100
    Lubricants, industrial oils and related products

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