Duplex Board White Back
Duplex Board White Back is a premium-quality paperboard known for its bright white finish on both sides. This board combines superior strength with exceptional printability, making it an ideal choice for high-end packaging and printing applications. Its clean and polished appearance enhances the aesthetic appeal of packaging while providing excellent durability.
TOP PIGMENT COAT WITH BAR : 10 ± 1 GSM
PRE PIGMENT COAT WITH BAR : 10 ± 1 GSM
SIZE PRESS STARCH
TOP LAYER (RECYCLED WHITE PULP)
UNDER LAYER (RECYCLED WHITE PULP)
FILLER LAYER (RECYCLED MIXED WASTE PULP)
BACK LAYER (RECYCLED SELECTED WASTE PULP)
BACK STARCH COAT : 02 ± 1 GSM
Specifications
| Gsm | Caliper | Bulk | Stiffness (Taber) g-cm Tappi T 489 om 99 | ||
|---|---|---|---|---|---|
| Tappi T 410 om-02 | Tappi T 411 om 97 | (cm3/g) | MD | CD | GM |
| 230 | 247 | 1.07 | 38 | 17 | 25 |
| 250 | 268 | 1.07 | 45 | 20 | 30 |
| 260 | 279 | 1.07 | 55 | 24 | 36 |
| 285 | 308 | 1.08 | 75 | 32 | 49 |
| 296 | 323 | 1.09 | 90 | 40 | 60 |
| 310 | 341 | 1.10 | 100 | 42 | 65 |
| 320 | 353 | 1.10 | 105 | 45 | 69 |
| 350 | 389 | 1.11 | 145 | 63 | 96 |
| 360 | 400 | 1.11 | 155 | 67 | 102 |
| 400 | 449 | 1.12 | 195 | 85 | 129 |
| 410 | 460 | 1.12 | 205 | 88 | 134 |
| 450 | 514 | 1.14 | 245 | 106 | 161 |
| Tol. : ± 3% | ± 5% | ± 5% | ± 10% | ± 10% | ± 10% |
| Parameters | Unit | Test Procedure | Values |
|---|---|---|---|
| Plybond | (J/m2) | Tappi T 569 pm 00 | 135 (Min) |
| Roughness (PPS) | microns(μ) | Tappi T 555 om 99 | 3.0 (Max) |
| IGT Dry pick (MV) | m/s | Tappi T 514 | 0.7 (Min) |
| Brightness (Top) | (%) | Tappi T 452 om 98 | 76 ( Min) |
| Gloss at 75o | (%) | Tappi T 480 om 92 | 40 (Min) |
| Cobb 60 : T/S | g/m2 | Tappi T 441 om 98 | 50 (Max) |
| B/S | g/m2 | Tappi T 412 om 02 | 60 (Max) |
| Moisture 200/300 Gsm | % | Tappi T 412 om 02 | 6.5 ± 0.5 |
| Moisture 301/500 Gsm | % | Tappi T 807 | 7.5 ± 0.5 |
| Burst Factor | 14 (Min) |