[Technical Data]
We can supply Duplex Board Grey Back & White Back from 200 gsm to 500 gsm with high quality and best price.
Duplex Board Grey Back AA grade
|
Basic Weight
|
GSM
|
250
|
300
|
350
|
400
|
450
|
500
|
|
Weight Range
|
(gsm)
|
±10
|
±10
|
±10
|
±10
|
±10
|
±10
|
|
Thickness
|
(m/m)
|
0.31±0.02
|
0.37±0.02
|
0.43±0.02
|
0.5±0.02
|
0.56±0.02
|
0.62±0.02
|
|
Density
|
(g/cm3)
|
<0.8
|
<0.8
|
<0.8
|
<0.8
|
<0.8
|
<0.8
|
|
Moisture
|
(%)
|
7±1.5
|
7.5±1.5
|
7.5±1.5
|
8±1.5
|
8±1.5
|
8±1.5
|
|
Gloss
|
(%)
|
90
|
90
|
90
|
90
|
90
|
90
|
|
Brightness Whiteness
|
(%)
|
≥88
|
≥88
|
≥88
|
≥88
|
≥88
|
≥88
|
|
Smooththness
|
(S)
|
≥100
|
≥100
|
≥100
|
≥100
|
≥100
|
≥100
|
|
Coating Weight
|
(g/m2)
|
38
|
38
|
38
|
38
|
38
|
38
|
|
Dispersion of basic
weight at landscape orientation
|
(%)
|
7.5
|
8.0
|
8.0
|
8.5
|
9.0
|
9.5
|
|
Sizing
|
(g/m2)
|
15-20
|
15-20
|
15-20
|
15-20
|
15-20
|
15-20
|
|
Stiffness Taber(CD)
|
(mN.m)
|
≥3.8
|
≥5.9
|
≥7.9
|
≥11.7
|
≥15.9
|
≥20.5
|
|
(MD)
|
(mN.m)
|
≥14.5
|
≥17.1
|
≥20.0
|
≥28.8
|
≥37.5
|
≥47.7
|
|
Folding endurance
|
(times)
|
≥10
|
≥10
|
≥10
|
≥10
|
≥10
|
≥10
|
|
Absorption capability of ink
|
(%)
|
17-24
|
17-24
|
17-24
|
17-24
|
17-24
|
17-24
|
Duplex Board Grey Back A grade
|
Basic Weight
|
GSM
|
250
|
300
|
350
|
400
|
450
|
500
|
|
Weight Range
|
(gsm)
|
±10
|
±10
|
±10
|
±10
|
±10
|
±10
|
|
Thickness
|
(m/m)
|
0.31±0.02
|
0.37±0.02
|
0.43±0.02
|
0.5±0.02
|
0.56±0.02
|
0.62±0.02
|
|
Density
|
(g/cm3)
|
<0.8
|
<0.8
|
<0.8
|
<0.8
|
<0.8
|
<0.8
|
|
Moisture
|
(%)
|
6±1.0
|
6.5±1.0
|
7±1.0
|
7.5±1.0
|
8.0±1.0
|
8.5±1.0
|
|
Gloss
|
(%)
|
85
|
85
|
85
|
85
|
85
|
85
|
|
Brightness Whiteness
|
(%)
|
≥82
|
≥82
|
≥82
|
≥82
|
≥82
|
≥82
|
|
Smooththness
|
(S)
|
≥100
|
≥100
|
≥100
|
≥100
|
≥100
|
≥100
|
|
Coating Weight
|
(g/m2)
|
35
|
35
|
35
|
35
|
35
|
35
|
|
Dispersion of basic
weight at landscape orientation
|
(%)
|
7.0
|
7.5
|
8.0
|
8.2
|
9.0
|
9.5
|
|
Sizing
|
(g/m2)
|
15-20
|
15-20
|
15-20
|
15-20
|
15-20
|
15-20
|
|
Stiffness Taber(CD)
|
(mN.m)
|
≥2.9
|
≥4.1
|
≥6.3
|
≥9.0
|
≥12.1
|
≥15.6
|
|
(MD)
|
(mN.m)
|
≥14.5
|
≥17.1
|
≥20.0
|
≥24.8
|
≥30.1
|
≥36.50
|
|
Folding endurance
|
(times)
|
≥10
|
≥10
|
≥10
|
≥10
|
≥10
|
≥10
|
|
Absorption capability of ink
|
(%)
|
18-23
|
18-23
|
18-23
|
18-23
|
18-23
|
18-23
|
Duplex Board White Back A grade
|
Basic Weight
|
GSM
|
250
|
300
|
350
|
400
|
450
|
500
|
|
Weight Range
|
(gsm)
|
±10
|
±10
|
±10
|
±10
|
±10
|
±10
|
|
Thickness
|
(m/m)
|
0.275±0.02
|
0.33±0.03
|
0.385±0.02
|
0.44±0.02
|
0.495±0.02
|
0.55±0.02
|
|
Density
|
(g/cm3)
|
<0.8
|
<0.8
|
<0.8
|
<0.8
|
<0.8
|
<0.8
|
|
Moisture
|
(%)
|
6±1.0
|
6.5±1.0
|
7±1.0
|
7.5±1.0
|
8.0±1.0
|
8.5±1.0
|
|
Gloss
|
(%)
|
85
|
85
|
85
|
85
|
85
|
85
|
|
Brightness Whiteness
|
(%)
|
≥82
|
≥82
|
≥82
|
≥82
|
≥82
|
≥82
|
|
Smooththness
|
(S)
|
≥100
|
≥100
|
≥100
|
≥100
|
≥100
|
≥100
|
|
Coating Weight
|
(g/m2)
|
40
|
40
|
40
|
40
|
40
|
40
|
|
Dispersion of basic
weight at landscape orientation
|
(%)
|
7.0
|
7.5
|
8.0
|
8.5
|
9.0
|
9.5
|
|
Sizing
|
(g/m2)
|
15-20
|
15-20
|
15-20
|
15-20
|
15-20
|
15-20
|
|
Stiffness Taber(CD)
|
(mN.m)
|
≥1.8
|
≥2.9
|
≥4.7
|
≥7.1
|
≥9.7
|
≥13.1
|
|
(MD)
|
(mN.m)
|
≥10.4
|
≥13.0
|
≥15.8
|
≥19.5
|
≥24.8
|
≥31.10
|
|
Folding endurance
|
(times)
|
≥7
|
≥7
|
≥7
|
≥7
|
≥7
|
≥7
|
|
Absorption capability of ink
|
(%)
|
18-23
|
18-23
|
18-23
|
18-23
|
18-23
|
18-23
|