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6632DM绝缘纸
DM 是一种柔软复合材料,由聚酯薄膜单面涂胶粘剂粘合聚酯纤维非织布(无纺布)而成的两层绝缘纸。绝缘等级属于F级155℃。
DM comprise of Polyester film single- faced coating adhesive bonding and non-woven of two layers of insulating paper。 Insulation class belongs to the class F(155℃)。
1 应用提示Application remarks
DM集合了无纺布良好的浸渍性能和聚酯薄膜良好的介电强度,广泛适用电气设备,适用于F级电机的槽间绝缘、匝间绝缘和衬垫绝缘。
DM collection of dipping properties and non-woven polyester film good dielectric strength, widely used electrical equipment, applicable F the slot insulation, electrical insulation and the turn-to-turn liners insulation.
2 技术要求Performance Requirements
1.1 外观Appearance
表面应均匀、无起毛、和无气泡、针孔、皱折及瑕疵之类缺陷
surface of materials is uniformity ,velvet and haven’t air bubble, pinhole, goffer and blemish etc.
1.2 性能要求Performance requirements
表1 DM性能要求 Table 1 The standard values of DM
序号 NO. | 指称名称 Properties | 单位 Units | 指标值 Values | ||||
1 | 标称厚度 Nominal thickness | mm | 0.17 | 0.20 | 0.25 | 0.30 | 0.35 |
2 | 厚度允差 Thicknessallowed tolerance | mm | ±0.02 | ±0.02 | ±0.03 | ±0.03 | ±0.03 |
3 | 标称定量 Nominal grammage | g/m2 | 220 | 240 | 300 | 400 | 460 |
4 | 定量允差 Grammageallowedtolerance | g/m2 | ±26 | ±28 | ±36 | ±48 | ±55 |
5 | 薄膜标称厚度 Film nominal thickness | um | 125 | 140 | 190 | 250 | 300 |
6 | 拉伸强度(纵向) Tensile strength(MD) | N/10mm | ≥80 | ≥120 | ≥150 | ≥170 | ≥200 |
7 | 拉伸强度(横向) Tensile strength(XD) | N/10mm | ≥80 | ≥105 | ≥130 | ≥150 | ≥180 |
8 | 伸长率(纵向) Elongation(MD) | % | ≥10 | ≥10 | ≥10 | ≥5 | ≥5 |
9 | 伸长率(横向) Elongation(XD) | % | ≥15 | ≥15 | ≥15 | ≥5 | ≥5 |
10 | 击穿电压 Electric breakdown voltage | KV | ≥7 | ≥8 | ≥10 | ≥10 | ≥11 |
11 | 热态粘结180±2℃ 10Min Bond strength at 180±2℃ | 不分层、不起泡、不流胶 No delamination,no blister,no adhesive flow |
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