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IEC 60695-2-12:火災(zāi)危險(xiǎn)測(cè)試 第2-12部分:基于灼熱/發(fā)熱絲的測(cè)試方法 材料的灼熱絲易燃性測(cè)試

放大字體  縮小字體 發(fā)布日期:2010-07-01   來(lái)源:IEC   瀏覽次數(shù):687  分享到: 分享到騰訊微博
IEC 60695-2-12:火災(zāi)危險(xiǎn)測(cè)試 第2-12部分:基于灼熱/發(fā)熱絲的測(cè)試方法 材料的灼熱絲易燃性測(cè)試
IEC 60695-2-12:火災(zāi)危險(xiǎn)測(cè)試2-12部分:基于灼熱/發(fā)熱絲的測(cè)試方法材料的灼熱絲易燃性測(cè)試
IEC 60695-2-12Fire Hazard Testing - Part 2-12: Glowing/Hot-Wire Based Test Methods - Glow-Wire Flammability Test Method for Materials

Abstract摘要
Specifies the details of the glow-wire test to be applied to test specimens of solid electrical insulating materials or other solid materials for flammability testing to determine the glow-wire flammability index (GWFI).

The test results make it possible to provide a relative comparison of various materials according to their ability to extinguish flames on removal of the electrically heated glow-wire and their ability not to produce flaming or glowing particles capable of spreading fire to a specified layer of wrapping tissue placed below.

The test method is not valid for determining the flammability of complete items of equipment, since the dimensions of the insulating systems or combustible parts, the design and heat transfer to adjacent metallic or non-metallic parts, etc., greatly influence the flammability of the materials used therein. In addition to this, it is not valid for determining fire behaviour and fire hazard of equipment.

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