Table 5.
Roughness factor (Rq) for PVC after irradiation.
| Photoirradiated PVC Film (300 h) | Rq |
|---|---|
| PVC blank | 457.6 |
| PVC/1 | 130.3 |
| PVC/2 | 126.6 |
| PVC/3 | 87.5 |
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