K15;Y31 标准查询与下载

IEC 60641-2:2004 电工用压纸板和薄纸板.第2部分:试验方法

Applies to pressboard and presspaper for electrical purposes. The series does not apply to laminated material. This part specifies the test methods to be used in testing pressboard and presspaper for electrical purposes to meet the requirements prescribe

Pressboard and presspaper for electrical purposes - Part 2: Methods of test

IEC 60641-1/AMD1:1993 电工用压纸板和薄纸板规范 第1部分:定义和一般要求 修改1

Adds new text to subclause 4.1 (Composition) and a footnote to table 1.

Specification for pressboard and presspaper for electrical purposes; part 1: definitions and general requirements; amendment 1

IEC 60795:1984 用卷管法评定柔软片材耐热性的试验方法

Describes the detail of preparation of wrapped tube test pieces from flexible sheet insulation materials for thermal endurance tests using breakdown voltage as end point criterium. Cut pieces of the flexible sheet materials are wrapped on copper of 15 mm

Test method for evaluating thermal endurance of flexible sheet materials using the wrapped tube method