1.1 本规范涵盖用作线圈、变压器和类似设备中的层绝缘的电气级未分级、未漂白硫酸盐纸和纸板。其他应用包括但不限于绞合线/电缆结构中的匝绝缘、槽衬、楔块、相位绝缘和隔离纸。本规范不包括用于制造电容器的纸巾。其他常用名称包括: 1.1.1 软线圈包裹， 1.1.2 密集线圈包裹， 1.1.3 牛皮线圈绝缘， 1.1.4 干成品牛皮纸， 和 1.1.5 水成品牛皮纸。 1.2 以英寸-磅为单位的数值应视为标准值。括号中给出的值是到国际单位制的数学转换，仅供参考，不被视为标准值。 1.3 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。

1.1 This specification covers electrical grade unsized, unbleached sulfate paper and paperboard for use as layer insulation in coils, transformers, and similar apparatus. Other applications include, but are not limited to, turn insulation, slot liners, wedges, phase insulation, and separator papers in stranded wire/cable constructions. Tissue for the manufacture of capacitors is not included in this specification. Other commonly used designations include: 1.1.1 Soft Coil Wrap, 1.1.2 Dense Coil Wrap, 1.1.3 Kraft Coil Insulation, 1.1.4 Dry-Finished Kraft, and 1.1.5 Water-Finished Kraft. 1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.