厂家供应优质NMN复合纸、nmn绝缘纸 6640NMN 杜邦纸

NMN75/F是三层的柔软复合材料，外面两层是T464绝缘纸，内层为聚酯薄膜。绝缘等级属F级(155℃)。

NMN75/F comprise of two layers of T464 brand paper and one inner layer of polyester film. Insulation Class is F(155℃)。

1 应用提示Application remarks

NMN75/F兼具T464的优良耐温性能，抗延伸撕裂强度及聚酯薄膜的优良介电强度，机械性能。适用于F级电机的槽间绝缘，匝间绝缘和衬垫绝缘。

NMN75/F combine the advantages of superior thermal properties and tearing resistance of T464 as well as the excellent electrical and mechanical properties of polyester film. It is suitable for insulation of slot , phase , turn-to-turn and liner of F class motors and generators.

2 技术要求Performance Requirements

1.1 外观Appearance

表面应均匀、光滑、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 NMN75/F性能要求 Table 1 The standard values of NMN75/F 序号

NO. 指称名称

Properties 单位

Units 指标值

Values 1 标称厚度

Nominal thickness mm 0.140.170.180.200.230.25 0.30 0.362 厚度允差

Thicknessallowed tolerance mm ±0.01±0.02±0.02±0.03±0.03±0.03 ±0.04 ±0.043 标称定量

Nominal grammage g/m2 140 180 210 250 270 300 360 460 4 定量允差

Grammageallowedtolerance g/m2 ±17±20±30±30±35±40 ±50 ±505 薄膜标称厚度

Film nominal thickness um 50 75 100 125 140 165 200 265 6 拉伸强度(纵向)

Tensile strength（MD） N/10mm ≥100 ≥150 ≥160 ≥180 ≥200 ≥220 ≥270 ≥320 7 拉伸强度(横向)

Tensile strength（XD） N/10mm ≥80≥90≥110 ≥130 ≥150 ≥180 ≥200 ≥250 8 伸长率（纵向）

Elongation（MD） % ≥10≥10≥10≥12≥12≥12 ≥12 ≥129 伸长率（横向）

Elongation（XD） % ≥15≥15≥15≥18≥18≥18 ≥18 ≥1810 击穿电压

Electric breakdown voltage KV ≥6 ≥7 ≥10≥11≥12≥13 ≥15 ≥2011 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