251聚酰亞胺薄膜有機(jī)硅壓敏膠帶
一、產(chǎn)品簡介：
251聚酰亞胺薄膜有機(jī)硅壓敏膠帶是由聚酰亞胺薄膜單面涂進(jìn)口耐高溫有機(jī)硅壓敏膠粘劑制成。具有一定的表面自粘性，剝離強(qiáng)度、內(nèi)聚力及一定的剪切強(qiáng)度。該膠帶適用于電機(jī)、電器、電纜、電子產(chǎn)品的H級絕緣。
二、產(chǎn)品參數(shù)：
1、外觀
膠帶盤面應(yīng)平整、無氣泡、無流膠、膠層均勻。開卷時膠層不轉(zhuǎn)移，邊緣整齊無破損。
2、尺寸
2.1 膠帶長度
每卷膠帶長度為30m～60m或根據(jù)用戶要求
2.2 膠帶寬度
寬度為10mm～50mm，偏差為±0.5mm；寬度大于50mm的膠帶，偏差為±1.0mm，也可根據(jù)用戶的要求供給。
2.3 膠帶厚度
膠帶的厚度與允許偏差：根據(jù)用戶的要求可供給各種厚度的膠帶，允許偏差±0.008mm。
3、性能要求
序號 | 項目名稱 | 單位 | 指標(biāo) |
1
2
3
4
5
6 | 拉伸強(qiáng)度
斷裂伸長率
對底材粘著力
對鋼板粘著力
工頻電器強(qiáng)度
短期極限溫度 | MPa
％
N/10mm
N/10mm
MV/m
℃ | ≥70
≥30
≥1.2
≥1.2
≥90
-70——+260 |
251聚酰亞胺薄膜有機(jī)硅壓敏膠帶
251 Polyimide Pressure Sensitive Adhesive Tape with Silicone Resin
This kind of tape is made of polyimide material with heat-resistant silicone adhesive, which shows excellent dielectric insulation properties, high heat resistant, excellent solvent resistant, mask-off gold finger contacts during wave soldering, short-term temp. 250c x 5sec, and is widely used for electrical insulation on motor, transformer, coils, PCB making and so on.
I requirements:
1.1 appearance
The film surface is smooth, bright and clean. It should have no defects such as folding, tearing, particulate, air bubble, pinhole and any external impurity. Its edges shall be orderly and no breakage.
1.2 dimension
The roll length is 30-60 meter or supplied according to the customer’s requirements. The width and allowable deviation: 10mm-50mm: ±0.5mm; >50mm: ±1mm.
1.3 thickness
Thickness and allowable deviation: all of the thickness is available, ±0.008mm.
No. | Index | Unit | Standard |
1 | Tensile | Mpa | ≥70 |
2 | Elongation | % | ≥30 |
3 | Peeling Tape to tape Tape to copper | N/10mm N/10mm | ≥1.2 ≥1.2 |
4 | Breakdown strength | MV/m | ≥90 |
5 | Working temperature | ℃ | -70---+260 |
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