Duplex Board - Grey Back HWC
  • Specification Sheet (GREY BACK - CPB) - M/C Deckle Width : 240-252 cm

    SUBSTANCE(GSM)

    BULK

    CALIPER

    TABER STIFFNESS

    g/m2

    ( cc/gm )

    Microns

    ( gm.cm )

    MD

    CD

    GM

    200 1.26 252 36 16 24
    230 1.28 294 50 22 33
    250 1.28 320 65 28 43
    260 1.28 333 70 30 46
    285 1.28 365 95 42 63
    296 1.28 379 110 50 74
    310 1.29 400 125 57 84
    320 1.29 413 135 60 90
    350 1.29 451 170 75 112
    360 1.29 464 180 80 120
    400 1.30 520 245 110 164
    410 1.30 533 255 115 171
    450 1.31 590 315 145 214
    500 1.31 655 375 170 253

    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 % )

    %

    78

    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 PIGMENT COAT WITH BLADE 10 (±1 gsm)
    • PRE PIGMENT COAT WITH BAR 10 (±-1 gsm)
    • TOP LAYER (RECYCLED WHITE PULP)
    • UNDER LAYER(RECYCLED WHITE PULP)
    • FILLER LAYER (RECYCLED MIXED WASTE PAPER)
    • BACK LAYER (RECYCLED SELECTED WASTE PAPER)
    • BOTTOM STARCH COAT 02 (±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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