1 范围：本标准规定了环氧绝缘胶粘带工频介电强度和耐电压的试验方法，适用于电子、电气领域使用的环氧绝缘胶粘带，包括环氧树脂基绝缘胶带、环氧灌封胶配套绝缘胶带等。

2 试验原理：将环氧绝缘胶粘带试样置于两个电极之间，施加工频交流电压，逐步升高电压，直至试样击穿，记录击穿电压，计算介电强度（单位：kV/mm）；耐电压试验则施加规定电压，保持一定时间，观察试样是否击穿。

3 试验条件：试验温度23±2℃，湿度50±5%，电极间距根据试样厚度调整，工频电压频率为50Hz，升压速度为1kV/s；耐电压试验电压为10kV，保持时间为30min。

4 技术要求：环氧绝缘胶粘带工频介电强度≥15kV/mm，耐电压试验无击穿、无闪络现象。

【核心解读】

本标准为2025年发布、2026年3月1日实施的国家标准，替代1987年旧标准，优化了试验条件和技术要求，适配当前电子、电气领域对环氧绝缘胶的高性能需求。工频介电强度和耐电压是环氧绝缘胶的核心安全指标，直接决定电子电气产品的绝缘可靠性，避免因绝缘失效引发安全事故。

结合2026年行业新闻，随着5G基建、半导体产业的快速发展，电子电气领域对环氧绝缘胶的需求大幅增加，该标准的实施将规范环氧绝缘胶粘带的质量检测，提升产品的绝缘性能和安全性。目前，国内电子用环氧胶企业已开始按照该标准优化产品配方，提升介电强度，满足高端电子设备的使用要求。

【行业应用提示】：电子电气企业在采购环氧绝缘胶粘带时，需重点检测工频介电强度和耐电压指标，确保产品符合本标准要求；检测机构需配备专用试验设备，严格按照标准规定的试验条件进行检测，避免检测误差。

灌封胶配套绝缘胶带等。"},"attribs":{"0":"*0+28"}},"apool":{"numToAttrib":{"0":["author","3305573540435226"]},"nextNum":1}},"align":"left"}},"IAZCfXpcUd5IkpcfqITck658nze":{"id":"IAZCfXpcUd5IkpcfqITck658nze","snapshot":{"type":"text","parent_id":"KwlWfiYeEdH4i9c4hmNc4hxUnKg","comments":[],"revisions":[],"locked":false,"hidden":false,"author":"3305573540435226","children":[],"text":{"initialAttributedTexts":{"text":{"0":"2 试验原理：将环氧绝缘胶粘带试样置于两个电极之间，施加工频交流电压，逐步升高电压，直至试样击穿，记录击穿电压，计算介电强度（单位：kV/mm）；耐电压试验则施加规定电压，保持一定时间，观察试样是否击穿。"},"attribs":{"0":"*0+2u"}},"apool":{"numToAttrib":{"0":["author","3305573540435226"]},"nextNum":1}},"align":"left"}},"LcgRf5VrFdXMTSc9IsCcZSKlnLV":{"id":"LcgRf5VrFdXMTSc9IsCcZSKlnLV","snapshot":{"type":"text","parent_id":"KwlWfiYeEdH4i9c4hmNc4hxUnKg","comments":[],"revisions":[],"locked":false,"hidden":false,"author":"3305573540435226","children":[],"text":{"initialAttributedTexts":{"text":{"0":"3 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