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

    SUBSTANCE ( GSM )

    BULK

    CALIPER

    TABER STIFFNESS

    g/m2

    ( cc/gm )

    Microns

    ( gm.cm )

    MD

    CD

    GM

    200 1.17 234 34 15 23
    230 1.17 269 45 20 30
    250 1.17 293 65 28 43
    260 1.17 304 70 30 46
    285 1.17 333 90 40 60
    296 1.17 346 105 48 71
    310 1.18 366 118 52 78
    320 1.18 378 125 55 83
    350 1.18 413 155 70 104
    360 1.18 425 170 75 113
    400 1.22 488 240 110 163
    410 1.22 500 250 115 170
    450 1.22 549 290 130 194
    500 1.22 610 350 160 237

    TOLERANCE : ± 3 %

    BULK: ±  5 %

    CALIPER: ±  5 %

    STIFFNESS:±10%

     

    PARAMETER

    UNIT

    VALUE

    COBB
    TOP
    BOTTOM


    g/m2
    g/m2


    <50
    <60

    PLYBOND

    J/m2

    >135

    BRIGHTNESS(±  1 % )

    %

    79

    GLOSS

    %

    >40

    ROUGHNESS (PPS) 

    Microns

    <2.8

    IGT  DRY – PICK

    mtr/sec

    >0.8

    BURST FACTOR

     

    >15

    MOISTURE (%)

    200-300 gsm

    6.0 - 7.0

    301- 500 gsm  7.0 - 8.5 
  • Board Construction

    • TOP COATING 10 gm/m2 (±1 gsm)
    • PRE COATING 10 gm/m2 (±1 gsm)
    • SURFACE SIZED
    • 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)
    • BOTTOM PIGMENT COAT 09 ± 1 GSM
  • Features

    • Product certified by CFTRI (Central Food Technology Research Institute, INDIA for food packaging applications.
    • 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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