NF ISO 188
Rubber, vulcanized or thermoplastic - Accelerated ageing and heat resistance tests
ISO 188:2007 specifies accelerated ageing or heat resistance tests on vulcanized or thermoplastic rubbers. Two methods are given:Method A: air-oven method using a cell-type oven or cabinet oven with low air speed and a ventilation of 3 to 10 changes per hour;Method B: air-oven method using a cabinet oven with forced air circulation by means of a fan and a ventilation of 3 to 10 changes per hour.
ISO 188:2007 specifies accelerated ageing or heat resistance tests on vulcanized or thermoplastic rubbers. Two methods are given:
Method A: air-oven method using a cell-type oven or cabinet oven with low air speed and a ventilation of 3 to 10 changes per hour;
Method B: air-oven method using a cabinet oven with forced air circulation by means of a fan and a ventilation of 3 to 10 changes per hour.
La présente norme décritdes méthodes devieillissement accéléré ou d'exposition à la chaleur destinées à évaluer par élévation de la température, la résistance relative des caoutchoucs à la détérioration dans le temps.
ISO 188:2011 specifies accelerated ageing or heat resistance tests on vulcanized or thermoplastic rubbers. Two methods are given: Method A: air-oven method using a cell-type oven or cabinet oven with low air speed and a ventilation of 3 to 10 changes per hour; Method B: air-oven method using a cabinet oven with forced air circulation by means of a fan and a ventilation of 3 to 10 changes per hour.
- Avant-proposiv
- Introductionv
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1 Domaine d'application1
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2 Références normatives1
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3 Principe1
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4 Appareillage2
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5 Éprouvettes5
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6 Délai entre la vulcanisation et les essais5
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7 Conditions de vieillissement (durée et température)5
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8 Mode opératoire6
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9 Expression des résultats6
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10 Fidélité7
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11 Rapport d'essai7
- Annexe A (informative) Détermination de la vitesse de l'air dans des étuves avec circulation d'air forcée8
- Annexe B (informative) Fidélité10
- Annexe C (informative) Lignes directrices relatives à l'exploitation des résultats de fidélité17
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