Description
CrownBoard Craft is a fully-coated board with kraft reverse side.
CrownBoard Craft is all about quality and strength. Optimized strength/weight ratio makes it safe to lightweight without compromising on the packaging performance.
The naturally brown reverse side opens up for additional design possibilities and the white fully-coated top side offers high quality printability.
CrownBoard Craft is made out of 100% primary wood fibres. Produced in Sweden.
STRUCTURE
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Fully coated top side |
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Top: Unbleached chemical pulp |
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Middle: Unbleached CTMP with unbleached chemical pulp |
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Bottom: Unbleached chemical pulp |
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Uncoated reverse side |
Basic usage
All types of packaging.
Print method
Offset printing
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Parameter |
Unit |
Tolerance |
Standart |
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|
Grammage |
g/m² |
± 4% |
245 |
265 |
285 |
300 |
315 |
330 |
345 |
375 |
405 |
460 |
ISO 536 |
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Thickness |
µm |
± 4% |
365 |
400 |
430 |
455 |
480 |
510 |
535 |
585 |
630 |
745 |
ISO 534 |
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Thickness |
points |
± 4% |
14 |
16 |
17 |
18 |
19 |
20 |
21 |
23 |
25 |
29 |
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Bending resistance, L&W 15º |
mN |
-20% |
MD |
323 |
395 |
470 |
555 |
675 |
805 |
950 |
1185 |
1400 |
1850 |
ISO 2493 |
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Bending resistance, L&W 15º |
mN |
-20% |
CD |
143 |
178 |
218 |
260 |
320 |
390 |
460 |
575 |
680 |
980 |
ISO 2493 |
| Internal bond strenght | J/m² | min 90 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | T569 | |
| Tearing resistance GM | mN | 4000 | 4500 | 5200 | 5800 | 6300 | 7200 | 8000 | 9100 | 10200 |
12000 |
ISO 1974 | ||
| CIE Whiteness | % | min 86 | TS | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | ISO 11475 |
| Roughness, PPS 10 | µm | max 2.8 | TS | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | ISO 8791-4 |
| Roughness, Bendtsen | ml/min | max 300 | TS | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | ISO 8791-2 |
| Roughness, Bendtsen | ml/min |
max 1500*, 1600**, 1700***, 1800**** |
RS | 1000 | 1000 | 1000 | 1100 | 1100 | 1200 | 1200 | 1200 | 1200 | 1200 | ISO 8791-2 |
| Cobb 60º | TS | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | ISO 535 | ||
| Cobb 60º | RS | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | ISO 535 | ||
| Moisture content | % | 7.6 | 7.7 | 7.8 | 7.9 | 8.0 | 8.1 | 8.2 | 8.4 | 8.5 | 8.5 | ISO 287 |
MD- Machine Direction
CD- Cross Direction
TS- Top Side
RS- Reverse Side
*) - for 245 - 285 g/m²;
**) - for 300 - 315 g/m²;
***) - for 330 - 375 g/m²;
****) - for 405 - 460 g/m²
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+7 (812) 317-77-17
info@prime-route.com
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