Thickness:0.025mm
Width:8mm-1000mm
Length:1000m
Polyimide film (tape) 6051
Standard No.: JB/T 2726-1996
I. Technological requirement:
1. Appearance: Film surface is smooth, bright and clean. It shall have no defects, such as folding, tearing, particulate, air bubble, pinhole and any external impurity. Its edges shall be orderly and have no breakage. And the film is provided in rolls.
2. Dimension
1) Thickness and allowable deviation: see the recommended thickness in Table One. The products with other thickness can be supplied according to the requirements of customer.
Table One
Unit: μm
Standard Thickness | 25μm | 40μm | 50μm | 75μm | 100μm | 125μm | 175μm | 200μm |
Allowable Deviation | +2.5 | +4 | +5 | +7.5 | +8 | +8 | +8 | +8 |
-2.5
| -4 | -5 | -7.5 | -7 | -8 | -8 | -8 |
2) Width and length: supplied according to requirements of customer
3) Performances shall conform to the stipulations in Table Two
Table Two
No. | Unit | Index Value | ||||||||||||
25μm | 40 μm | 50 μm | 75 μm | 100 μm | 125 μm | 175 μm | 200 μm | |||||||
1 | Density | kg/m3 |
1420±20 | |||||||||||
2
| Tensile strength | Longitudinal Transverse | MPa |
≥150 ≥130 | ≥≥135 ≥115
| |||||||||
3 | Elongation | Longitudinal Transverse | % |
≥60 | ||||||||||
4 | Heat contraction rate, 150°C 400°C | % |
≤1.0 ≤3.0 | |||||||||||
5 | Electrical operating frequency intensity | Averagevalue | MV/m |
≥150
|
≥120
| |||||||||
Specific value | ≥100
| ≥80
| ||||||||||||
6 | Surface resistivity at ,200°C | Ω | ≥1.0X1013 | |||||||||||
7 | Volume resistivity at ,200°C | Ω·m | ≥1.0X1010 | |||||||||||
8 | Relative Dielectric Constant ,48-62Hz | — | 3.5±0.4 | |||||||||||
9 | Dielectric Loss Factor 48-62Hz | — | ≤4.0X10-3 | |||||||||||
10 | Long-term heat-resistance temperature index | — | ≥180 | |||||||||||
