A4 Copy Paper Copy a Brand Used for Daily Office Use
Product Description
| Product quality& technical specifications | |||
| SEQ.NUMBER | 1 | 2 | 3 |
| Quqlity(The proportion of wood pulp) | Imported wood pulp 50% Domestic wood pulp 50% | Imported wood pulp 70% Domestic wood pilp 30% | Imported wood pulp 100% |
| Whitness(%) is greater than | 96-98 | 102-104 | 104-106 |
| Coefficient of Opacity(%) is greater than | 90 | 90 | 90 |
| Opacity(%) is greater than | recto 25 | recto 25 | recto 25 |
| wire side 20 | wire side 20 | wire side 20 | |
| recto and wire side deviation is less than(s) | 30 | 30 | 30 |
| size resistance(mm) is greater than | 0.75 | 0.75 | 0.75 |
| content(%) | 16--18 | 16--18 | 16--18 |
| Moisture content (%) | 4.5--5.5 | 4.5--5.5 | 4.5--5.5 |
| Density (g/cm3) less than the | 0.75 | 0.75 | 0.75 |
| Surface strengh (m/s) is greater than | 1.0 | 1.0 | 1.0 |
| Dust degree (a/m2) is less than | (0.2-1.5)mm2 50 | (0.2-1.5)mm2 50 | (0.2-1.5)mm2 50 |
| greater than 1.5mm20 | greater rhan 1.5mm20 | greater than 1.5mm20 | |
| Substance deviation is less than (g) | 2.5 | 2.5 | 2.5 |
| thickness (um) | 9.5-10.5 | 10.0-11.0 | 10.5-11.5 |
| thickness deviation is less than(um) | 0.5 | 0.5 | 0.5 |
Product Categories : Copy Paper
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