Abstract Preview

ISO 20843:2011 specifies a test method to determine the pH value of fire-resistant fluids within categories HFAE, HFAS and HFC, as classified in ISO 6743‑4.


General information

  • Status :  Published
    Publication date : 2011-01
  • Edition : 2
    Number of pages : 4
  • :
    ISO/TC 28
    Petroleum and related products, fuels and lubricants from natural or synthetic sources
  • 75.120
    Hydraulic fluids

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