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Flexible insulating sleeving - Part 3: Specification for individual types of sleeving - Sheets 420 to 422: Polyethylene terephthalate textile sleeving with acrylic based coating
STANDARD published on 17.5.2002
Designation standards: IEC 60684-3-420-ed.2.0
Publication date standards: 17.5.2002
SKU: NS-410986
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: International technical standard
Category: Technical standards IEC
Gives the requirements for three types of sleeving constructed from polyethylene terephthalate yarns using either braided or knitted construction, with a continuous acrylic based coating and differentiated by their breakdown voltage: high breakdown voltage (sheet 420), medium breakdown voltage (sheet 421) and low breakdown voltage (sheet 422). Experience of product performance indicates that sleeving of the types specified in these sheets may be suitable for operation at 130 °C or in some applications at temperatures up to 155 °C. Donne les exigences pour trois types de gaines constituees a partir de fils de polyethylene de terephtalate tresses ou tricotes avec un revetement acrylique continu et differentiees par leur rigidite dielectrique: rigidite dielectrique elevee (feuille 420), rigidite dielectrique moyenne (feuille 421) et rigidite dielectrique faible (feuille 422). Lexperience en matiere de performance de produits indique que les gaines des types specifies dans ces feuilles peuvent etre adaptees au fonctionnement pour des temperatures a 130 °C et dans certaines applications pour des temperatures allant jusqua 155 °C.
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