FEATURES:
FEATURES:
White Lined Light Weight Coated White Back Board designed for value based
printing and packaging. This has lower coating than the HWC White Back Board for
Low Cost.
USES:
For cost conscious Printing and Packaging applications in the Wedding cards,
Greeting Cards, Visiting Cards, Pharmaceutical Packaging, and other high value
added applications.
BOARD CONSTRUCTION
Coating
Top Coat - 8 to 10 g/m2(Bar Coat)
Size Coat - 2 g/m2
Top Layers
Layer 1 - Semi White Pre Consumer Waste
Layer 2 - White Pre Consumer Waste
Filler Layers
Layer 3 - Finer Recovered Waste
Layers 4, 5 - Recovered Waste Paper
Bottom Layer
Layer 6 - White Pre Consumer Waste
Layer 7 - Bleached White Pulp Substitutes
Coating
Size Coat - 2 g/m2
Bottom Coat - 8 to 10 g/m2 (Bar Coat)
Substance (GSM)
Caliper (microns)
Bulk (cc/gms)
Stiffness (mN)
MD
CD
230
267
1.16
64
26
250
295
1.18
104
42
285
342
1.20
152
62
300
363
1.21
185
76
320
390
1.22
221
92
350
427
1.22
281
116
380
468
1.23
372
155
400
496
1.24
422
177
Tolerance: ± 3%
Tolerance: ± 5%
Tolerance: ± 5%
Tolerance: ± 10%
Parameter
Unit
Value
Ply bond
J/m2
130 min
Smoothness (Bendsten)
Ml/min
120-160
Brightness
%
76 ( ±1)
Cobb Top (60)
GSM
30-50
Gloss at 75 deg
%
22 ( ± 3)
Moisture
%
6 .0 - 8.0
IGT
Mts/sec
Min 0.7
Tolerance:± 3%
Please note:
The tolerances are based upon 95% confidence limit and on laboratory results of random samples from mill.
The specifications are subject to change without any prior notice.
Brightness value as per ISO Standard shall be 3% higher than that in TAPPI Standard.
Paper board Machine Deckle: 315 cms to 325 cms.
Cobb is measured such that the entire testing is completed in 60 seconds and whatman filter is used for testing.
