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WX658耐熱尺寸穩(wěn)定的聚酰亞胺薄膜
WX658耐熱尺寸穩(wěn)定的聚酰亞胺薄膜是低熱膨脹系數(shù)的聚酰亞胺薄膜英文名:polyimide film;（簡稱PI film ）又稱kapton薄膜，俗稱黃金薄膜，也稱高溫絕緣膜，高溫絕緣紙，更又稱絕緣黃紙，是由新型酐單體及新型胺單體的新配方制成的聚酰氨酸樹脂，經(jīng)雙向拉伸工藝生產(chǎn)的新型亞胺薄膜，它不僅具有普通聚酰亞胺薄膜的所有優(yōu)異性能，且具有更高的尺寸穩(wěn)定性，高彈性模量及低熱膨脹系數(shù)。
一、技術(shù)要求：
1、厚度與寬度
標(biāo)稱厚度 | 12.5 | 25.0 |
允許偏差 | +1/-1 | +1/-2 |
| ≤520 | ≤520 |
注：厚度也可根據(jù)用戶要求供應(yīng)。 | ||
2、性能指標(biāo)
序號 | 指標(biāo)名稱 | 單位 | 指標(biāo)值 | ||
12.5μm | 25.0μm | ||||
1 | 拉伸強(qiáng)度 | 縱向及橫向 | MPa | ≥200 | |
2 | 斷裂伸長度率 | 縱向及橫向 | % | ≥40 | |
3 | 拉伸模量 | 縱向及橫向 | GPa | ≥4.0 | |
4 | 熱收縮率 縱向及橫向 | % | ≤0.1 | ||
5 | 工頻電氣強(qiáng)度 | 平均值 | MV/m | ≥200 | |
6 | 熱膨脹系數(shù) 25-200℃ | ppm/℃ | 15-25 | ||
| 吸濕性 RH | % | ≤2.5 | ||
7 | 體積電阻率200℃ | Ω·M | ≥1.0X1012 | ||
8 | 相對介電常數(shù)48-62Hz | -- | 3.0-3.5 | ||
9 | 介質(zhì)損耗因數(shù)48-62Hz | -- | ≤0.002 | ||
二、應(yīng)用領(lǐng)域
WX658低熱膨脹系數(shù)聚酰亞胺薄膜其尺寸穩(wěn)定性高，CTE與銅箔相近特別適用于FPC行業(yè)制作覆筒板需要。
WX658 Low Expansion Coefficient Polyimide Film
With the application of Bi-axial stretching Technology, this brand polyimide film, the low thermal expansion coefficient polyimide film, is made from polyamic acid resins, which is obtained from a novel formula comprised of new anhydride monomers as well as a mine monomers. It not only processes good performance of ordinary polyimide film but also has better dimension stability, higher modulus of elasticity and lower heat expansion coefficient.
1. Technical Requirement
1.1 Thickness and Width
Thickness | 12.5 | 25.0 |
Tolerance | +1/-1 | +1/-2 |
Width | ≤520 | ≤520 |
Notes: Thickness is supplied as the requests of customer | ||
1.2 Performace Index
No. | Index | Unit | Index Value | ||
12.5μm | 25.0μm | ||||
1 | Tensile | CD / MD | MPa | ≥200 | |
2 | Elongation | CD / MD | % | ≥40 | |
3 | Tensile modulus | CD / MD | GPa | ≥4.0 | |
4 | Heat expansion coefficient | % | ≤0.1 | ||
5 | Electrical operating | Average | MV/m | ≥200 | |
6 | Heat expansion coefficient 25-200℃ | ppm / ℃ | 15-25 | ||
5 | A wet sexual RH | % | ≤2.5 | ||
6 | Volume resistivity 200℃ | Ω ·cm | ≥1.0X1012 | ||
7 | Relative dielectric constant 48-62Hz | -- | 3.0-3.5 | ||
8 | Dielectric loss factor 48-62Hz | -- | ≤0.002 | ||