
ILT-U-2566
Paper and board determination
V1:
DETERMINATION | METHOD |
| Residue (ash content) on ignition at 525 °C | ISO 1762 |
V2:
DETERMINATION | METHOD |
| Residue (ash content) on ignition at 525 °C | ISO 1762 |
| CIE whiteness, D65/10 degrees (outdoor daylight) | ISO 11475 |
| Opacity (paper backing) — Diffuse reflectance method | ISO 2471 |


