6051-CR 耐電暈聚酰亞胺薄膜除具有普通聚酰亞胺薄膜的耐高,、低溫性、電絕緣性,、耐輻射性,、耐腐蝕性等特性外,同時(shí)具有*的耐電暈性能及良好的導(dǎo)熱性,。 6051-FCR(單面,、雙面):在耐電暈聚酰亞胺薄膜單面或雙面涂敷F46乳液,經(jīng)烘干,、收卷,、分切而成。該薄膜即有耐電暈聚酰亞胺薄膜的特性,,同時(shí)在360℃-380℃半分鐘熔融成型. 一,、技術(shù)指標(biāo): 序號(hào) | 指標(biāo)名稱 | 單位 | 指標(biāo)值 | 6051-CR | 6251-FCR單面 | 6251-FCRF雙面 | 1 | 厚度及允許偏差 | mm | 0.020-0.040(±0.002) 0.041-0.075(±0.004) | 0.030-0.050(±0.003) 0.051-0.10(±0.005) | 0.030-0.050(±0.003) 0.051-0.10(±0.005) | 2 | 耐電暈壽命 1、脈沖頻率:20KHz,;脈沖占空比:50%,; 脈沖變形:方波;極性:雙極性,; Vp-p:2KV,;脈沖上升沿時(shí)間(空載):50ns; 過(guò)電流(報(bào)警切斷試驗(yàn)):50MA,。 2、試驗(yàn)電極:Φ6mm圓柱電極/平板電極,,上下電極間距為試樣厚度. 3,、負(fù)載為5個(gè)試樣時(shí),,脈沖上升沿為:284-296ns. | min | ≥300 | ≥300 | ≥300 | 3 | 拉伸強(qiáng)度 | MPa | ≥135 | ≥80 | ≥80 | 4 | 斷裂伸長(zhǎng)率 | % | ≥40 | ≥40 | ≥40 | 5 | 工頻電氣強(qiáng)度 zui低值 | MV/m | ≥200 | ≥120 | ≥100 | 6 | 表面電阻率 200℃ | Ω | ≥1.0×1014 | ≥1.0×1014 | ≥1.0×1014 | 7 | 體積電阻率 200℃ | Ω.cm | ≥1.0×1012 | ≥1.0×1012 | ≥1.0×1012 | 8 | 相對(duì)介電常數(shù) 48Hz-62Hz | -- | 3.5±0.4 | 3.5±0.4 | 3.5±0.4 | 9 | 介質(zhì)損耗因數(shù) 48Hz-62Hz | -- | ≤4.0×10-3 | -- | -- | 10 | 剝離強(qiáng)度 1單面:膠面對(duì)背材 膠面對(duì)銅材 2雙面:膠面對(duì)膠面 膠面對(duì)銅材 | N/XJ | ...... ...... | ≥2.3 ≥3.5 | ≥3.5 ≥3.5 | 二、應(yīng)用領(lǐng)域 廣泛應(yīng)用于大型牽引電機(jī),、變頻電機(jī),、風(fēng)力發(fā)電電機(jī)、特種電機(jī)等匝間絕緣和主絕緣,、特大型線圈外絕緣耐電暈保護(hù)層等,。 Corona Resistance Polyimide Film In addition to the very good performance of high and low temperature resistance, electricity insulativity, radiation and etching resistance, it also processes very excellent performance of corona resistance and thermal conductivity, TY6251-FCR (single side, double sides), painted F46 glue on the surface of the single side or double sides of the corona resistance polyimide film. Slit with different width after drying and rolling. The product processes both the good property of corona resistance polyimide film and melt and shape at 360℃-380℃ at half minute. 1. Technical requirement No. | Index | Unit | Index Value | 6051-CR | 6251-FCR Single side | 6251-FCRF Double sides | 1 | Thickness and tolerance | mm | 0.020-0.040(±0.002) 0.041-0.075(±0.004) | 0.030-0.050(±0.003) 0.051-0.10(±0.005) | 0.030-0.050(±0.003) 0.051-0.10(±0.005) | 2 | 1.Pulse frequency:20KHz; Pulse rate factor:50%,; Pulse wave:square,; Polar:bipolar; Vp-p:2KV,; Pulse rise time (no-load):50ns,; excess current (alarm cut test):50MA。 2.Test polor:Φ6mm pillar polor / flat polor, distance between up and down polor is the sample thickness 3,、5 load of 5 samples, pulse rise time:284-296ns. | min | ≥300 | ≥300 | ≥300 | 3 | Tensile | MPa | ≥135 | ≥80 | ≥80 | 4 | Longation | % | ≥40 | ≥40 | ≥40 | 5 | Electrical operating frequency intensity The lowest value | MV/m | ≥200 | ≥120 | ≥100 | 6 | Surface resistivity 200℃ | Ω | ≥1.0×1014 | ≥1.0×1014 | ≥1.0×1014 | 7 | Volume resistivity 200℃ | Ω.cm | ≥1.0×1012 | ≥1.0×1012 | ≥1.0×1012 | 8 | Relative dielectric constant 48Hz-62Hz | -- | 3.5±0.4 | 3.5±0.4 | 3.5±0.4 | 9 | Dielectric loss factor 48Hz-62Hz | -- | ≤4.0×10-3 | -- | -- | 10 | Stripping force Single side: adhesive to base adhesive to copper double sides Double side: Adhesive to adhesive Adhesive copper | N/XJ | ...... ...... | ≥2.3 ≥3.5 | ≥3.5 ≥3.5 | 2. Application The corona polyimide film applies to turn-insulating, major insulation, external insulation of big coil and corona resistance protective layer of large tractive motor , conversion motor, wind driven generator, special motor etc. | |