Key Features:
Duplex Construction: Crafted from two layers of high-quality paperboard bonded together, our Duplex Board offers exceptional rigidity and dimensional stability. This ensures that your products are securely packaged and presented with a professional look.
Grey Back Finish: The reverse side of the board features a smooth, uniform grey finish, which not only adds a touch of sophistication but also enhances printability. It provides a neutral backdrop for vibrant graphics and text, ensuring that your designs stand out with clarity and impact.
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![]() | SHENGLEI PACK | ||||||||
Duplex board with grey back | |||||||||
Date:April 2023 | |||||||||
物理指标 Physical properties | WEIGHT 单位Units | 240G | 250G | 290G | 300G | 340G | 350G | 400G | 450G |
Basis Weight 克重 | g/m² | 240±3% | 250±3% | 290±3% | 300±3% | 340±3% | 350±3% | 400±3% | 450±3% |
Caliper 厚度 | um | 290±20 | 300±20 | 350±20 | 360±20 | 410±20 | 420±20 | 485±25 | 545±25 |
Moisture 水份 | % | 7.0±2 | 7.0±2 | 7.0±2 | 7.0±2 | 7.0±2 | 7.0±2 | 7.0±2 | 7.0±2 |
Brightness 白度 | % | ≥76 | ≥76 | ≥76 | ≥76 | ≥76 | ≥76 | ≥76 | ≥76 |
Roughness 粗糙度 (1000cpm) | um | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 |
IGT * IGT拉毛速度 | m/s | ≥1.0 | ≥1.0 | ≥1.0 | ≥1.0 | ≥1.0 | ≥1.0 | ≥1.0 | ≥1.0 |
Stiffness (CD) 横向挺度* | mN.m | ≥2.3 | ≥2.5 | ≥3.5 | ≥4.0 | ≥5.5 | ≥6.0 | ≥9.0 | ≥12.0 |
Cobb(1min) 吸水值(正面)* | g/m² | ≤50 | ≤50 | ≤50 | ≤50 | ≤50 | ≤50 | ≤50 | ≤50 |
Cobb(1min) 吸水值(底) | g/m² | ≤120 | ≤120 | ≤120 | ≤120 | ≤120 | ≤120 | ≤120 | ≤120 |
Gloss 光 泽 度 * | % | ≥35 | ≥35 | ≥35 | ≥35 | ≥35 | ≥35 | ≥35 | ≥35 |
K&N 吸 墨 性 * | % | 3-14 | 3-14 | 3-14 | 3-14 | 3-14 | 3-14 | 3-14 | 3-14 |