ISO 14935:2020

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Petroleum and related products — Determination of wick flame persistence of fire-resistant fluids

ISO 14935:2020 is an international standard that specifies a method to test the "wick flame persistence" of fire-resistant fluids, essentially measuring how long a flame will continue to burn on a wick immersed in the fluid, indicating its fire-retardant properties within the petroleum and related product industry.