| Objets | Unité | Inspection Méthodes |
Grade A | Tolérance | |||
| Grammage | ㎡ | GB/T451.2 | 58 | 64 | 70 | 80 | ±3 % |
| Volume | cm³/g | GB/T451 | 0.89 | 0.89 | 0.88 | 0.88 | ±4 % |
| Douceur | s | GB/T456 | 900 | 900 | 900 | 900 | ±300 |
| Brillance | % | GB/T8941.3 | 43 | 43 | 43 | 43 | ±8 |
| Luminosité | %ISO | GB/T7974 | 84.0 | 84.0 | 84.0 | 84.0 | ±2 |
| Opacité | % | GB/T1543 | 89.5 | 92.0 | 93.0 | 95.0 | ±2 |
| Humidité | % | GB/T462 | 5 | 5 | 5 | 5 | ±1,5 |
Langue
