IP 523: Determination of flash point - Rapid equilibrium closed cup method (ISO 3679:2004)

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  • Method adopted/last revised: 2023
  • Method reapproved: None
  • REF/ISBN: IP523-2937655
  • Status: Current
  • First printed in STM books: March 2015


This International Standard specifies procedures for flash point tests, within the temperature range of –30 °C to 300 °C, for paints, including water-borne paints, varnishes, binders for paints and varnishes, adhesives, solvents, petroleum, and related products. The procedures are used to determine whether a product will or will not flash at a specified temperature (flash no-flash Procedure A) or the flash point of a sample (Procedure B). When used in conjunction with the flash detector (A.1.6), this International Standard is also suitable to determine the flash point of fatty acid methyl esters (FAME).

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