1.1 这些试验方法涵盖了主要用于为电气设备提供电气、机械和化学保护的含溶剂清漆的试验。这些测试方法包括以下控制和性能测试: 程序 部分 建筑 38 – 42 介电强度 43 – 48 排水 26 – 32 闪点 18 – 20 非挥发性物质 21 – 25 耐油性 54 – 56 试样的制备 7. 比重 9 – 12 温度指数 49 – 50 干燥时间 33 – 37 清漆兼容性 51 – 53 粘度 13 – 17 1.2 如果本标准包括整个试验方法，则除非所述方法中给出，否则精度和偏差未知。 1.3 以国际单位制表示的数值应视为标准值。括号中给出的值仅供参考。 1.4 本标准并非旨在解决与其使用相关的所有安全问题（如有）。 本标准的用户有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 有关具体的危险说明，请参阅第节 5. . 注1: 没有等效的IEC标准。 1.5 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。 ====意义和用途====== 4.1 控制- 以下测试有助于在制造和使用清漆期间进行控制，并确定批次的均匀性: 4.1.1 比重， 4. 1.2 粘度 4.1.3 闪点，以及 4.1.4 按重量计的非挥发性物质。 4.2 性能- 以下测试有助于确定清漆在应用和使用期间的性能: 4.2.1 排水 4.2.2 干燥时间， 4.2.3 建筑 4.2.4 介电强度， 4.2.5 耐热性， 4.2.6 清漆兼容性， 4.2.7 耐盐水性，以及 4.2.8 耐油性。

1.1 These test methods cover tests for solvent containing varnishes primarily intended to provide electrical, mechanical, and chemical protection for electrical equipment. These test methods include tests for control and performance as follows: Procedure Section Build 38 – 42 Dielectric Strength 43 – 48 Drainage 26 – 32 Flash Point 18 – 20 Nonvolatile Matter 21 – 25 Oil Resistance 54 – 56 Preparation of Test Specimens 7 Specific Gravity 9 – 12 Temperature Index 49 – 50 Time of Drying 33 – 37 Varnish Compatibility 51 – 53 Viscosity 13 – 17 1.2 Where the entire test method is included in this standard, the precision and bias are not known unless given in the stated method. 1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Section 5 . Note 1: There is no equivalent IEC standard. 1.5 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. ====== Significance And Use ====== 4.1 Control— The following tests are useful for control purposes during the manufacture and use of varnishes, and for determining the uniformity of batches: 4.1.1 Specific gravity, 4.1.2 Viscosity, 4.1.3 Flash point, and 4.1.4 Nonvolatile matter by weight. 4.2 Performance— The following tests are useful for determining the performance of varnishes during application and use: 4.2.1 Drainage, 4.2.2 Time of drying, 4.2.3 Build, 4.2.4 Dielectric strength, 4.2.5 Thermal endurance, 4.2.6 Varnish compatibility, 4.2.7 Salt water proofness, and 4.2.8 Oil resistance.