Duplex paperboard with white face gray back coated and made from recycled fibers. Smoothness and that no lint cutting make these cards a good choice for producing all kinds of printed or unprinted packaging.
Upper duplex cardboard is made from bleached chemical pulp 100%. (So long fiber and short fiber).
Chemical pulp is much better suited for folding capacity, high quality printing and high shine.
Main features:
- Do not leave lint on cutting
- Dimensional stability
- Regularity characteristics
Applications: Printing calendars, brochures, folders manufacturing, pharmaceutical packaging boxes, food, wipes, toys, tabaco, detergents, covers for books and notebooks, protective film for discs etc.
Availability: in rolls and sheet, in typical and atypical dimension according to customer requirements.
Standard weights: 210, 230, 280, 300, 350, 400, 450 gr/m2.
TECHNICAL SPECIFICATION
ALFAPRINT®(Coated Duplex Board )
| GRAMMAGE | CALIPER | STIFFNESS | BRIGHTNESS | ||
| MD | CD | ||||
| gr/m2 | µm | mNm | mNm | % Elr | |
| 230 | 280 | 8.0 | 3.6 | 77 | |
| 280 | 350 | 16.6 | 7.6 | 77 | |
| 300 | 390 | 22.0 | 10.0 | 77 | |
| 350 | 460 | 37.0 | 16.0 | 77 | |
| 400 | 540 | 55.0 | 24.0 | 77 | |
| 450 | 600 | 74.0 | 35.0 | 77 | |
| Tolerance | Testing Method | ||
| Grammage | ± 2% | ISO 536 | |
| Caliper | ± 5% | DIN 53105 | |
| Stiffness | − 15% | L&W(5º) DIN 53121 | |
| Brightness | − 1 | ISO 2470 | |
| Test Conditions: T: 23 ± 1 ° C ; RH: 50 ± 2 % | |||
* 95 % of all measured values must be between the tolerance limits.
Board Construction Material Used
Coating : Multilayer Coating with Air Knife & Blade Application
Topliner : Unprinted + Printed Waste Paper
Middle Ply : Printed Waste Paper / PCW + PIW
Backliner : Printed Waste Paper / PCW + PIW
Backside : Pigment coating