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“电脑打印纸”参数说明
| 平滑度： | 》90 | 纸的密度： | 8-0.9 |
| 产量： | 500 |
“电脑打印纸”详细介绍
是一种消费量很大的文化用纸，适用于表格、练习簿、账簿、记录本等,质量要求：色泽洁白致、两面平滑、质地紧密、书写时不洇水.孔位精准，不易移位，过机顺畅，不卡纸，纸张平滑不起皱，切边整洁，无纸屑，不起粉，不变脆
“电脑打印纸”其他说明
| Grades: | Carbonless Copy Paper, Blue Images |
| Regular basis weights (gsm): | 50-80gsm white or tinted; |
| Basis Weight variation: | ±5%; |
| Caliper Variation (CD): |
≤5μm for basis weights 50g /m2 or less; ≤7μm for basis weight greater than 50g /m2 |
| Paper Density: | 0.70 -0.85 g /cm3; |
| Opacity: | ≥65%; |
| Smoothness (CF both sides): | ≥80 s; |
| Whiteness: | ≥87% with OBA; |
| Chromatic deviation: | ≤2.0% (coated side for tinted grades); |
| Curls: | ≤12 mm |
| Optical densityΔD (5min): | ≥0.30 (3 ply prints) |
| Imaging Sensitivity: | ΔE≥88%;ΔD≥88% (3 ply prints); |
| Surface strength (medium viscosity printing ink): | ≥0.5 m/s (printing side); |
| Light resistance (residual ΔE after 144 hrs): | ≥50%; |
| Friction resistance (ΔE): | ≤5%; |
| TSI (MD): | ≥60 N.m/g; |
| Surface PH: | 6.0-9.0 |
| Moisture on delivery: |
≤8.0% CB and CFB sheets; 6.0%-7.5 % CB and CFB rolls; 5.0%-7.5% CF; |
| Export Packing: | Wrapped inside with thin plastic film against moisture, and outside with heavy craft paper for sheets, corrugated paperboard for rolls |