NF ISO 2476
Butadiene rubber (BR) - Solution-polymerized types - Evaluation procedures
ISO 2476:2009 specifies: physical and chemical tests on raw rubbers; standard materials, standard test formulations, equipment and processing methods for evaluating the vulcanization characteristics of solution-polymerized butadiene rubbers (BR), including oil-extended types (OEBR), and the tensile stress-strain properties of vulcanized mixes.
ISO 2476:2009 specifies:
- physical and chemical tests on raw rubbers;
- standard materials, standard test formulations, equipment and processing methods for evaluating the vulcanization characteristics of solution-polymerized butadiene rubbers (BR), including oil-extended types (OEBR), and the tensile stress-strain properties of vulcanized mixes.
<p>ISO 2476:2014 specifies:</p> <p>- physical and chemical tests on raw rubbers;</p> <p>- standard materials, standard test formulations, equipment, and processing methods for evaluating the vulcanization characteristics of solution-polymerized butadiene rubbers (BR), including oil-extended types (OEBR), and the tensile stress-strain properties of vulcanized mixes.</p>
- Avant-proposiv
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1 Domaine d'application1
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2 Références normatives1
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3 Échantillonnage et méthodes de préparation complémentaires2
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4 Essais physiques et chimiques sur le caoutchouc brut2
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4.1 Indice consistométrique Mooney2
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4.2 Matières volatiles2
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4.3 Taux de centres2
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5 Préparation des mélanges d'essais pour l'évaluation des caoutchoucs butadiène2
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5.1 Formules d'essai normalisées2
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5.2 Mode opératoire3
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6 Conditionnement des mélanges9
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7 Évaluation des caractéristiques de vulcanisation9
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7.1 À l'aide d'un rhéomètre à disque oscillant9
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7.2 À l'aide d'un rhéomètre sans rotor10
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8 Évaluation des caractéristiques de contrainte-déformation des mélanges d'essai vulcanisés10
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9 Fidélité10
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10 Rapport d'essai10
- Annexe A (informative) Fidélité12
- Bibliographie19
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