CKB
Product description
CKB is a fully pigmented kraft board with a multi-layer structure. The top layer contains bleached pulp, while the remaining layers are made from unbleached pulp with added CTMP. CKB features a double pigment coating on the top side, which is white, while the reverse side remains brown.
Application
- Packaging for dry, chilled, and frozen food
- Chocolates
- Alcoholic beverages
- Multipacks
Certificates
- FSC
- ISEGA
- Suitable for recycling and compatible with laser coding and ink marking PTS-DF 105/2019, PTS-DF 103/2022
Product specification
| GRAMMAGE | g/m² | ISO 536 (±4%) | 195 | 220 | 235 | 255 | 270 | 290 | 315 | 350 | 380 | 415 |
| THICKNESS | μm | ISO 534 (±5%) | 300 | 360 | 400 | 435 | 450 | 490 | 540 | 600 | 665 | 710* |
| MOISTURE | % | ISO 287 (±1) | 7 | 7 | 7,5 | 7,5 | 7,5 | 8 | 8,5 | 9 | 9,5 | 9,5 |
| BENDING MOMENT TABER 15° MD | mN×m | TAPPI 489 (-15%) | 7,8 | 12 | 15,3 | 20,2 | 24 | 29,5 | 37,4 | 46,9 | 56,4 | 77 |
| BENDING MOMENT TABER 15° CD | mN×m | TAPPI 489 (-15%) | 3,7 | 5,7 | 7,3 | 9,6 | 10 | 12,8 | 16,2 | 20,4 | 24,5 | 31 |
| SURFACE SMOOTHNESS PPS TOP | μm | ISO 8791-4 (max. 2,5) | 1,5 | 1,5 | 1,5 | 1,5 | 1,5 | 1,5 | 1,5 | 1,5 | 1,5 | 1,5 |
| SURFACE SMOOTHNESS BENDTSEN REVERSE | ml/min | SCAN P 84:02 (max 2000) | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
| ISO BRIGHTNESS D65/10° TOP | % | ISO 2470-2 (min. 78) | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 |
| GLOSS 75° | % | ISO 8254-1 | 35 | 35 | 35 | 35 | 30 | 30 | 30 | 30 | 30 | 30 |