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No. | Test Items | Unit | Standard | |||
1 | purity | % | ≥99.8 | |||
2 | osmotic pores | 个 | 无渗透孔 | |||
3 | area quality | g/㎡ | 51-56 | |||
4 | Mass resistivity | Ω.g/㎡ | ≤0.17 | |||
5 | Thickness tolerance | um | 0-3 | |||
6 | tensile strength | kg/㎡ | ≥35 | |||
7 | Room temperature elongation | % | ≥3.5 | |||
8 | High temperature elongation | % | ≥4.0 | |||
9 | Roughness (RA) | um | ≤0.4 | |||
10 | Glossy Roughness (RZ) | um | ≤3.0 | |||
11 | Roughness (RA) | um | 0.35-0.75 | |||
12 | Roughness (RZ) | um | ≤3.0 | |||
13. | Antioxidant (130℃ 10min) | OK | ||||
Note: Specification values refer to IPC-4562, which is a general industry standard. | ||||||




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