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parameter : 2 sides contrast
unit : g/m2
value : ≥50
Our premium offset paper is crafted from 100% virgin wood pulp, designed for professional printing applications requiring high smoothness and superior tensile strength. With over 30 years of export expertise, we ensure consistent quality through strict inspection management.
| Parameter | Value | Unit |
|---|---|---|
| Basis weight | 50-120±5% | gsm |
| Density | ≥0.70 | g/cm3 |
| Tensile strength | ≥3.5 | km |
| Thickness | 65-150±5% | um |
| Moisture | 6±10% | % |
| Smoothness | ≥50 | sec |
| COBB | 27 | g/m2 |
| Opacity | 86-97 | % |
| 2 sides contrast | ≤20 | % |
| PH value | 8 | - |
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