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| Test Item | Standard | Test Method | Value |
| Base thickness (mm) | GB/T 6672 | Micrometer | 75±2 |
| roduct thickness (without release liner) (mm | ) GB/T 6672 | Micrometer | 135±5 |
|
180° Peeling Force (N/25mm) |
- |
According to GB/T 2792-2014 N |
³25 (before thermal release) o tackiness (after thermal releas |
| Breaking strength (KN/m) | - | According to GB/T 30776-2014 | ³10 |
| Elongation at break (%) | - | According to GB/T 30776-2014 | ³120 |