Comix China Manufacturers OEM 80GSM 75GSM 70GSM 100% Pulp A4 Paper Copier 500 Sheets/Ream A4 Copy Paper Copy paper
Characteristics | Unit | Specifications | Test Method | ||
Basis | g/m2 | 70 | 75 | 80 | ISO 536 |
Thickness | μm | 99 | 104 | 108 | ISO 534 |
CIE Whiteness | % | 158 | 158 | 158 | ISO 11475 |
Brightness | % | 95 | 95 | 95 | ISO 2470 |
Opacity | % | 93 | 94 | 95 | ISO 2471 |
Bendtsen Roughness | ml/min | 230 | 210 | 190 | ISO 8791-2 |