GUANGZHOU BMPAPER CO., LTD.
GUANGZHOU BMPAPER CO.,LTD 18 Years Experience Paper & Paperboard Manufacturer
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Unbleached Brown Kraft Linerboard 126g 170g 250g 300g For Packaging
Kraft Linerboard is virgin kraft sheet designed for low-end top or bottom liner used in constructing corrugated material. Available in a wide range of calipers, Kraft Liner Linerboard is designed to provide outstanding package and packaging line efficiency and performance.
Brown Kraft Linerboard Feature:
| Kraft linerboard | ||||||||||
| Physical Properties | Unit | 175 | 190 | 200 | 230 | 250 | 300 | 337 | 440 | |
| Grammage | g/m2 | Target | 175±6 | 190±6 | 200±7 | 230±7 | 250±8 | 300±10 | 337±12 | 440±15 |
| Density | g/m3 | Minimun | 0.70 | 0.70 | 0.70 | 0.70 | 0.70 | 0.70 | 0.70 | 0.70 |
| Bursting Index Strength | Kpa.m2/g (kgf/cm2) | Minimun | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.3 | 3.1 | 2.8 |
| 6.78 | 7.36 | 7.75 | 8.91 | 9.69 | 10.09 | 10.65 | 12.56 | |||
| RCT(CD) Strength | N.m/g (Kgf/152mm) | Minimun | 10.5 | 11.0 | 11.0 | 11.0 | 11.5 | 11.0 | 11.5 | 12.0 |
| 28.49 | 32.40 | 34.11 | 39.22 | 44.57 | 51.16 | 60.09 | 81.86 | |||
| COBB(top/back) | g/m2 | Maximum | 40/50 | 40/50 | 40/50 | 40/50 | 40/50 | 40/50 | 40/50 | 40/50 |
| Folding Endurance (CD) | 次 Time | Minimun | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Smoothness | S | Minimun | 10 | 10 | 10 | 10 | 10 | 7 | 5 | 4 |
| Internal Bond | J/m2 | Minimun | 160 | 160 | 160 | 160 | 160 | 170 | 170 | 170 |
| Moisture | % | Target | 8±2 | 8±2 | 8±2 | 8±2 | 8±2 | 8±2 | 8±2 | 8±2 |
| Conditions of testing:(Temperature 23±1℃) | ||||||||||
| Relative humidity: 50±2% | ||||||||||
Kraft Linerboard Usage:
We can manufacture brown kraft paper in different model and quality. It is commonly used for carton packaging, shopping hand bags, product wrapping,and other applications.
Kraft Linerboard Packing: