Duplex Board - White Back HWC 1
  • Specification Sheet (WHITE BACK CPB) - M/C Deckle Width : 240-251 cm

    Substance (GSM)
    Tappi T 410 om-02

    Caliper (Microns)
    Tappi T 411 om 97

    Bulk (cc/gm)

    Stiffness (Taber) gm-cm Tappi T489 om-99

    MD

    CD

    GM

    200 234 1.17 34 15 23
    230 269 1.17 45 20 30
    250 293 1.17 65 28 43
    260 304 1.17 70 30 46
    285 333 1.17 90 40 60
    296 346 1.17 105 48 71
    310 366 1.18 118 52 78
    320 378 1.18 125 55 83
    350 413 1.18 155 70 104
    360 425 1.18 170 75 113
    400 488 1.22 240 110 162
    410 500 1.22 250 115 170
    450 549 1.22 290 130 194
    500 610 1.22 350 160 237

    TOLERANCE : ± 3 %

    CALIPER : ±  5 %

    BULK: ±  5 %

    STIFFNESS: ± 10%

    PARAMETER

    UNIT

    TEST PROCEDURE

    VALUE

    Plybond  (J/m2) Tappi T 569 pm 00   135 (Min)
    Roughness (PPS) microns(μ) Tappi T 555 om 99 2.8 (Max)
    IGT Dry pick (MV)   m/s Tappi T 514 1.0 (Min)
    Brightness (Top) (%) Tappi T 452 om 98 78 ( 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 60 (Max)
    Moisture 200/300 GSM % Tappi T 412 om 02 6.5 ± 0.5
    Moisture 301/500 GSM Tappi T 412 om 02 7.5 ± 0.5
    Burst Factor   Tappi T 807 15 (Min)
  • Board Construction

    • TOP PIGMENT COAT WITH BLADE : 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 (RYCYCLED MIXED WASTE PAPER)
    • UNDER LAYER(RECYCLED WHITE PULP)
    • TOP LAYER (RECYCLED WHITE PULP)
    • SIZE PRESS STARCH
    • BACK PIGMENT COAT : 10 ± 1 GSM
  • Features

    • Product Certified by CFTRI, Under USFDA 176.170 Test method
    • Low levels of heavy metals (Each <20 PPM)
    • Suitable for high quality offset and gravure printing.
    • Suitable for high quality embossing, foil stamping
    • Used in multi purpose post print applications.
    • Board for Blister pack, polycoatings produced on demand.
The above tests are done as per TAPPI’s standard procedures, details of which will be supplied on request.
NOTE :-
  • Tolerances are based upon 95% confidence limit on single mill measurements if random samples.
  • Specifications are subject to changes without any prior notice.

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