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4. Main types of insulating glazes
4.1 Enamels derived from polyvinyl acetals
The temperature index (or thermal class) corresponds to a conventional service life of 20,000 h, making it possible to compare the thermal endurance of different wires (§ 6.2 ).
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Main types of insulating glazes
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Standards and norms
Most of the French standards listed are the result of work carried out by the corresponding IEC commissions. They consist of a copy of the French version of the international standard. As these documents are constantly evolving, it is advisable to check the standards catalogs to ensure that new updates have not been published at the time of consultation.
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Leading manufacturers of enamelled and enamel-coated wires
Essex Nexans http://www.essex-nexans.fr
Electrisola http://www.electrisola.co.th
REA Magnet Wire
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