White Back Duplex Board with a smooth surface, suitable for premium print reproduction and lamination.
Features
- GSM Range: 190-420
- Excellent bulk and stiffness, perfect for medium and high range packaging
- Four-layered board with a superior double-coated virgin pulp topside, processed white pulp on its under-top, recycled fibre pulp in the middle layer, and bleached chemical pulp at the bottom
Technical Specification
| SUBSTANCE, g/m2
(TAPPI T 410) |
CALIPER, μm
(TAPPI T 411) |
BULK, cm3 /g | BENDING STIFFNESS, mN (TAPP1 T 556) | ||
| TOL : ± 3% | TOL : ± 5% | TOL : ± 5% | TOL : ± 15% | ||
| MD | CD | GM | |||
| 190 | 228 | 1.2 | 66 | 33 | 45 |
| 200 | 240 | 1.2 | 77 | 40 | 55 |
| 210 | 252 | 1.2 | 88 | 44 | 60 |
| 220 | 264 | 1.2 | 97 | 48 | 70 |
| 230 | 276 | 1.2 | 110 | 55 | 80 |
| 240 | 288 | 1.2 | 125 | 63 | 90 |
| 250 | 300 | 1.2 | 143 | 72 | 100 |
| 260 | 317 | 1.22 | 160 | 80 | 115 |
| 270 | 329 | 1.22 | 187 | 94 | 130 |
| 280 | 347 | 1.24 | 195 | 100 | 140 |
| 290 | 360 | 1.24 | 220 | 110 | 155 |
| 300 | 375 | 1.25 | 246 | 123 | 175 |
| 310 | 388 | 1.25 | 272 | 136 | 190 |
| 320 | 400 | 1.25 | 300 | 150 | 210 |
| 330 | 413 | 1.25 | 324 | 162 | 230 |
| 340 | 425 | 1.25 | 394 | 197 | 280 |
| 350 | 455 | 1.3 | 444 | 222 | 315 |
| 360 | 468 | 1.3 | 490 | 245 | 345 |
| 370 | 481 | 1.3 | 535 | 267 | 380 |
| 380 | 494 | 1.3 | 580 | 290 | 410 |
| 390 | 507 | 1.3 | 630 | 314 | 445 |
| 400 | 520 | 1.3 | 675 | 340 | 480 |
| 420 # | 546 | 1.3 | 700 | 350 | 495 |
#: Made under specific request with minimum order quantity of 100 MT.
| PROPERTY | TOLERANCE | VALUE | |
| MOISTURE, %
(TAPPI T 412) |
Up to 300 GSM | – | 6.0 to 7.0 |
| Above 300 GSM | – | 7.0 to 8.0 | |
| ROUGHNESS, μm
(TAPPI T 555) |
– | Max | 2.5 |
| PLYBOND, J/m2
(TAPPI T 569) |
– | Min | 150 |
| COBB60, g/m2
(TAPPI T 441) |
Top / Bottom | Max | 50/50 |
| IGT DRY PICK, m/s
(ISO 3783) |
Top | Min | 0.8 |
| GLOSS at 75°, %
(TAPPI T 480) |
Top | Min | 42 |
| BRIGHTNESS, %
(ISO 2469) |
Top | Min | 77 |
| CIE WHITENESS, %
(TAPPI T 560) |
Top | Min | 86 |
NOTE: The results of the properties are as per TNPL lab test measurements according to International standard test methods – TAPPI/ISO. Conforming to BFR XXXVI, IS6615, US FDA 21.CFR.176.170 standards.
Ideal for
Notebook Covers, FMCG Cartons, Pharmaceutical, Apparels Box and Tags, Shade Cards, Garment Tags, and Industrial/Auto Goods Cartons
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