Grey Back Duplex Board

Parameters

GSM 250

± 3%

GSM-285

± 3%

GSM-300

± 3%

GSM-320

± 3%

GSM-350

± 3%

GSM-400

± 3%

GSM-450

± 3%

Brightness % (± 1%)

78

78

78

78

78

78

78

Caliper Microns

(± 5%)

300

342

366

390

427

492

558

Bulk cc/gm

(± 5%)

1.20

1.20

1.22

1.22

1.22

1.23

1.24

MD Taber

(± 10%)

80

100

120

140

165

250

300

CD Taber

(± 10%)

40

50

60

70

75

120

135

Gloss %

45-50

45-50

45-50

45-50

45-50

45-50

45-50

Cobb Top g/m2

40-45

40-45

40-45

40-45

40-45

40-45

40-45

Cobb Bottom

g/m2

45-50

45-50

45-50

45-50

45-50

45-50

45-50

Moisture

6.0-7.0

6.0-7.0

6.0-7.0

6.0-7.0

6.5-8.0

6.5-8.0

7.0-8.0

Wax Pick

7A

7A

7A

7A

7A

7A

7A