GUANGZHOU BMPAPER CO.,LTD
GUANGZHOU BMPAPER CO.,LTD 19 Years Experience Paper & Paperboard Manufacturer
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| Physical properties | 230 | 250 | 300 | 350 | 400 | 450 | ||
| Unit | AAA | AAA | AAA | AAA | AAA | AAA | ||
| Grammage | g/m² | AVG | 230 ± 5% | 250 ± 5% | 300 ±5% | 350±5% | 400±5% | 450±5% |
| Caliper | µm | AVG | 280 ± 15 | 310 ± 15 | 370 ±15 | 435±15 | 505±15 | 560±15 |
| Stiffness (Taber) CD/MD | m N.m | ≧ | 1.5/3.0 | 2.0/4.0 | 4.0/8.0 | 6.0/12.0 | 8.0/16.0 | 10.0/20.0 |
| g/m² | MAX | 50 | 50 | 50 | 50 | 50 | 50 | |
| COBB60 Top/back | 200 | 200 | 200 | 200 | 200 | 200 | ||
| Roughness | µm | MAX | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
| Brightness | % top | AVG | 78±2 | 78±2 | 78±2 | 78±2 | 78±2 | 78±2 |
| gloss (75.) | % | MIN | 35 | 35 | 35 | 35 | 35 | 35 |
| folding | ≧ | 15 | 15 | 15 | 15 | 15 | 15 | |
► High thickness and rigidity
► Excellent white surface
► High stiffness no bump
► Suitable for any printing demand
• Photo album paperboard
• Shoe box
• Gift package
• Carton board
• Mask box
| 等級/Grade | 塗佈灰底白板紙 (Coated Duplex Board with Grey Back) | ||||||||
| 物理指標 | |||||||||
| Physical properties | 230 | 250 | 270 | 300 | 350 | 400 | 450 | ||
| 單位及要求 Unit | AA | AA | AA | AA | AA | AA | AA | ||
| 定量 Grammage | g/m² | 平均 AVG | 230±5% | 250±5% | 270±5% | 300±5% | 350±5% | 400±5% | 450±5% |
| 厚度 Caliper | µm | 平均 AVG | 280±15 | 310±15 | 320±15 | 370±15 | 435±15 | 505±15 | 560±15 |
| 挺度 Stiffness (Taber) CD/MD | m N.m | ≧ | 1.5/3.0 | 2.0/4.0 | 2.8/5.6 | 4.0/8.0 | 6.0/12.0 | 8.0/16.0 | 10.0/20.0 |
| 吸水度 正面/反面 | g/m² | 最大 MAX | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
| COBB60 Top/back | 200 | 200 | 200 | 200 | 200 | 200 | 200 | ||
| 粗糙度 Roughness | µm | 最大 MAX | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
| 亮度Brightness | % top | 平均 AVG | 78±2 | 78±2 | 78±2 | 78±2 | 78±2 | 78±2 | 78±2 |
| 表面光澤度 gloss (75.) | % | 最小 | 35 | 35 | 35 | 35 | 35 | 35 | 35 |
| 橫向耐折度 folding | 次 | ≧ | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| 色度 color (L/a/b) | L: 89.0 ± 1 a: 1.5 ± 0.5 b: -2.7 ±0.5 | ||||||||
| 油墨吸收性 K & N Value | % | — | 25±5 | 25±5 | 25±5 | 25±5 | 25±5 | 25±5 | 25±5 |
| 塵埃度>0.3mm² | ↑/m² | ≦ | 40 | 40 | 40 | 40 | 40 | 40 | 40 |
| 塵埃度 >1.5mm² | ↑/m² | ≦ | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 水份 Moisture | % | 平均 AVG | 8±2.0 | 8±2.0 | 8±2.0 | 8±2.0 | 8±2.0 | 8±2.0 | 8±2.0 |
| 測試環境/conditions of testing: 溫度/ temp 23± 1.C,相對濕度/RH(50±2)% | |||||||||