This part of ISO 20783 specifies a test method to assess the stability of emulsions within the category HFAE, as defined in ISO 6743-4, made up with waters having clearly-defined concentrations of salts. This method is applicable only to HFAE fluids and not to HFAS fluids.
note: 1) ISO 6743-4:1999, Lubricants, industrial oils and related products (class L) — Classification — Part 4: Family H (Hydraulic systems).
ISO 20783-1:2003 history
2011ISO 20783-1:2011 Petroleum and related products - Determination of emulsion stability of fire-resistant fluids - Part 1: Fluids in category HFAE
2003ISO 20783-1:2003 Petroleum and related products - Determination of emulsion stability of fire-resistant fluids - Part 1: Fluids in category HFAE