Item name

Carbonless copy paper

Model

787*1092mm

No.

Inspection items

Unit

Standard required

Test Data

1

Quantitate

CB

g/m2

49.0±7.0%

48.4gsm

CFB

51.0±8.0%

52.5gsm

CF

49.0±7.0%

50.7gsm

2

compactness

CB

g/cm3

≥0.67

0.71

CFB

0.73

CF

0.72

3

Brightness

%

≥75.0

99.4

4

Opacity

%

≥60.0

86.6

5

Smoothness/CF

Surface Roughness of printing/CFB

μm

≤7.00

4.73

Surface Roughness of printing/CF

4.97

6

Ph/CF

CFB

/

6.0~9.0

7.9

CF

7.8

7

Maximum warpage 

CB

mm

≤15

3.0

CFB

2.0

CF

2.5

8

CrockingE

CFB

/

≤5.0/no clear developing dot

2.10/ qualified

CF

1.96/ qualified

9

Developing sensitivity

CFB

%

≥80.0

98.9

CF

92.8

10

lateral expansion

CB

%

≤3.0

2.2

CFB

2.8

CF

2.7