BS EN 14430-2004 釉和搪瓷.高压试验

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标准号:BS EN 14430-2004
中文标准名称:釉和搪瓷.高压试验
英文标准名称:Vitreous and porcelain enamels - High voltage test
标准类型:Y26
发布日期:2004/12/6 12:00:00
实施日期:2004/12/6 12:00:00
中国标准分类号:Y26
国际标准分类号:25.220.50
适用范围:This document describes 2 test methods of high voltage testing: — Test A is used to detect and locate defects in vitreous and porcelain enamels; — Test B is used to detect and locate defects and weak spots in vitreous and porcelain enamels. The tests are performed using DC, pulsed DC, or AC high voltage. The tests are applicable to dry surfaces of enamel coatings. In the case of moist surfaces, care should be taken to ensure that the locating of any defects is correctly performed. Since test voltages depend on the coating thickness, the test method, especially with test A, may not be suitable for test specimens for which the coating thickness varies to a large extent. NOTE This document extends the range of application of the test given in ISO 2746, which is restricted to coating thicknesses of minimum 660 μm.

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