ISO 4660:2020
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Caoutchouc naturel brut — Essai d’indice de couleur
| Published By | Publication Date | Number of Pages |
| ISO | 2020-05 | 14 |
Le présent document spécifie deux méthodes pour la détermination de la couleur du caoutchouc naturel brut selon une échelle de couleur normalisée:
— Méthode A: comparaison de couleur par rapport à celle de verres teintés de référence;
— Méthode B: détermination de la couleur à l'aide d'un spectrophotomètre couleur.
En cas de litige, la méthode préférentielle est la Méthode B.
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