NF EN ISO 15091
Paints and varnishes - Determination of electrical conductivity and resistance
ISO 15091:2012 specifies a method for determining the electrical conductivity and the electrical resistance of coating materials. The conductivity is usually measured for water-borne paints and varnishes, including electrodeposition coating materials, and the resistance is usually measured for solvent-borne paints and varnishes. If required, the resistivity of the coating material is calculated from either of these measurements. The method is applicable to products having a conductivity less than 5 µS/cm, corresponding to a resistivity greater than 200 kΩ.cm.
ISO 15091:2012 specifies a method for determining the electrical conductivity and the electrical resistance of coating materials. The conductivity is usually measured for water-borne paints and varnishes, including electrodeposition coating materials, and the resistance is usually measured for solvent-borne paints and varnishes. If required, the resistivity of the coating material is calculated from either of these measurements. The method is applicable to products having a conductivity less than 5 µS/cm, corresponding to a resistivity greater than 200 kΩ.cm.
This document specifies a method for determining the electrical conductivity and the electrical resistance of coating materials. The conductivity is usually measured for water-borne paints and varnishes, including electrodeposition coating materials, and the resistance is usually measured for solvent-borne paints and varnishes. If required, the resistivity of the coating material is calculated from either of these measurements. The method is applicable to products having a conductivity less than 5 µS/cm, corresponding to a resistivity greater than 200 kΩ⋅cm. The conductivity of coating materials influences their processibility in the presence of an electric field. This is particularly important for electrodeposition paints and coating materials which are processed electrostatically.
- Avant-proposiv
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1 Domaine d'application1
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2 Références normatives1
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3 Termes et définitions1
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4 Généralités3
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4.1 Mesurage de la résistance3
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4.2 Prévention des effets d'électrolyse et de polarisation4
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5 Appareillage5
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5.1 Instrument de mesure5
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5.2 Cellule de mesure5
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6 Échantillonnage5
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7 Mode opératoire6
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7.1 Conditions d'essai6
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7.2 Viscosité de l'échantillon pour essai6
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7.3 Nombre de déterminations6
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7.4 Mesurage de la résistance électrique ou de la conductivité électrique6
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8 Expression des résultats6
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9 Fidélité7
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10 Rapport d'essai8
- Annexe A (normative) Étalonnage9
- Annexe B (informative) Dépendance de la conductivité par rapport à la température de mesure11
- Bibliographie12
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