NF EN ISO 3679

NF EN ISO 3679

November 2022
Standard Current

Determination of flash point - Method for flash no-flash and flash point by small scale closed cup tester

This document describes three procedures (A, B and C) covering determinations of flash no-flash and flash point. Rapid equilibrium procedures A and B are applicable to flash no-flash and flash point tests of paints, including water-borne paints, varnishes, binders for paints and varnishes, adhesives, solvents, petroleum products including aviation turbine, diesel and kerosene fuels, fatty acid methyl esters and related products over the temperature range –30 °C to 300 °C. The rapid equilibrium 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 document is also suitable to determine the flash point of fatty acid methyl esters (FAME). The validity of the precision is given in Table 2. Non-equilibrium procedure C is applicable to petroleum products including aviation turbine, diesel and kerosine fuels, and related petroleum products, over the temperature range –20 °C to 300 °C. The non-equilibrium procedure is automated to determine the flash point. Precision has been determined over the range 40 °C to 135 °C. For specifications and regulations, procedures A or B are routinely used (see 10.1.1).

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Main informations

Collections

National standards and national normative documents

Publication date

November 2022

Number of pages

44 p.

Reference

NF EN ISO 3679

ICS Codes

75.080   Petroleum products in general
87.040   Paints and varnishes

Classification index

T60-616

Print number

1

International kinship

ISO 3679:2022

European kinship

EN ISO 3679:2022
Sumary
Determination of flash point - Method for flash no-flash and flash point by small scale closed cup tester

This document describes three procedures (A, B and C) covering determinations of flash no-flash and flash point.

Rapid equilibrium procedures A and B are applicable to flash no-flash and flash point tests of paints, including water-borne paints, varnishes, binders for paints and varnishes, adhesives, solvents, petroleum products including aviation turbine, diesel and kerosene fuels, fatty acid methyl esters and related products over the temperature range –30 °C to 300 °C. The rapid equilibrium 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 document is also suitable to determine the flash point of fatty acid methyl esters (FAME). The validity of the precision is given in Table 2.

Non-equilibrium procedure C is applicable to petroleum products including aviation turbine, diesel and kerosine fuels, and related petroleum products, over the temperature range –20 °C to 300 °C. The non-equilibrium procedure is automated to determine the flash point. Precision has been determined over the range 40 °C to 135 °C.

For specifications and regulations, procedures A or B are routinely used (see 10.1.1).

Replaced standards (1)
NF EN ISO 3679
October 2015
Standard Cancelled
Determination of flash no-flash and flash point - Rapid equilibrium closed cup method

<p>ISO 3679:2015 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 a flash detector, ISO 3679:2015 is also suitable to determine the flash point of fatty acid methyl esters (FAME).</p>

Table of contents
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  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Principe
  • 5 Produits et réactifs
  • 6 Appareillage
  • 7 Préparation de l'appareillage
  • 8 Échantillonnage
  • 9 Manipulation des échantillons
  • 10 Modes opératoires
  • 11 Calculs
  • 12 Expression des résultats
  • 13 Fidélité
  • 14 Rapport d'essai
  • Annexe A (normative) Appareillage de point d'éclair
  • Annexe B (normative) Vérification de l'appareillage
  • Annexe C (informative) Utilisation d'un insert de coupe d'essai
  • Annexe D (normative) Modes opératoires A et B à températures sub-ambiantes pour appareillage manuel
  • Annexe E (normative) Spécifications du dispositif de mesure de température
  • Annexe F (informative) Valeurs de point d'éclair des produits chimiques
  • Bibliographie
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