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(Coated Grey Back / Duplex Board)

 Specifications

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SUBSTANCE (GSM) CALIPER (microns) Bulk STIFFNESS-L&W (mN)
Tappi : T - 410 Tappi : T - 411 (cc/gm) Tappi : T - 556
     
MD
CD
GM
230
294
1.28
114
53
78
240
307
1.28
134
60
90
250
320
1.28
147
67
99
260
333
1.28
168
76
113
270
346
1.28
183
84
124
280
358
1.28
208
93
139
285
365
1.28
217
99
147
290
371
1.28
229
109
158
300
384
1.28
247
114
168
310
403
1.30
275
124
185
320
416
1.30
306
144
210
330
429
1.30
325
152
222
340
442
1.30
360
168
246
350
455
1.30
384
182
264
360
468
1.30
418
202
291
370
481
1.30
454
206
306
Tolerances :        ±3%
±5%
 
±5%
±15% on GM values only
PARAMETER
UNITS
VALUES
COBB 60 (Top side / Back side) 
g/m2
Max 50 / Max 60
SMOOTHNESS - Bendtsen - Tappi : T - 535   
ml/min
50 max
PLYBOND                                Tappi : T - 833
J/m2
150 min
IGT - DRY PICK- (Medium Viscosity)               ISO - 3782
m/sec
0.7 min
BRIGHTNESS ISO (with UV-100%) ISO - 2469
%
77 min
GLOSS at 75O                                        Tappi : T - 480
%
38 min
MOISTURE                               Tappi : T - 412
                                                  230 - 300 GSM
%
7.0 - 8.0
                                                  300 - 400 GSM
7.5 - 8.5
NOTE
  • Tolerances are based upon 95% confidence limit on single mill measurements of random samples.
  • Product should be free from Physical defects
  • Standard Method Reference: TAPPI Test Methods
 
Specifications updated as on 11/01/07
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