Smooth surface suitable to be left uncovered only if an homogenous shade of grey is not required or to be completely coated.

- File folders
- Dividing papers
- Interlayers
| TOLLERANCES | |
|---|---|
| GSM | +/- 5% |
| MOISTURE 6,5% | +/- 1% |
| THICKNESS | +/- 5% |
| STIFFNESS | +/- 10% |


| TOLLERANCES | |
|---|---|
| GSM | +/- 5% |
| MOISTURE 6,5% | +/- 1% |
| THICKNESS | +/- 5% |
| STIFFNESS | +/- 10% |