White 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 on Top  (± 1%)

78

78

78

78

78

78

78

Brightness on

Bottom (± 1%)

71

71

71

71

71

71

71

Caliper Microns

(± 5%)

292

333

351

377

413

476

535

Bulk cc/gm

(± 5%)

1.17

1.17

1.17

1.18

1.18

1.19

1.19

MD Taber

(± 10%)

75

90

110

130

150

230

280

CD Taber

(± 10%)

35

45

55

65

75

105

130

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