Common test methods for insulating and sheathing materials of electric and optical cables - Part 51:Methods specific to filling compounds - Drop point - Separation of oil - Lower temperature brittleness - Total acid number - Absence of corrosive components - Permittivity at 23℃ - DC resistivity at 23℃ and 100℃
2008-06-26
2009-04-01
| 标准号 | 标准名称 | 状态 | 发布日期 | 实施日期 |
|---|---|---|---|---|
| GB/T 2039-2024 | 金属材料 单轴拉伸蠕变试验方法 | 现行 | 2024-05-28 | 2024-12-01 |
| T/CIMA 0077-2022 | 钛合金抗熔滴点燃性能试验方法 | 现行 | 2022-11-18 | 2023-04-02 |
| SH/T 0115-1992 | 润滑脂和固体烃滴点测定法 | 现行 | 1992-05-20 | 1992-05-20 |
| GB/T 46421-2025 | 润滑脂滴点的测定 自动法 | 即将实施 | 2025-10-05 | 2026-05-01 |