A4 Copy Paper With 70, 75, 80gsm

Following are the Main Specifications/Special Features of A4 Copy Paper with 70, 75, 80gsm :
Material: 100% wood pulp
Quality grades:
A grade: 102 to 104% brightness
B grade: 98 to 100% brightness
C grade: 94 to 96% brightness
Substance: 70 or 80gsm
Technical data:
Moisture: 3.5 to 4.5%
Thickness: 103 to 110I m
Surface roughness TS: 75 to 175mL/minute
Surface roughness BS: 100 to 200mL/minute
Bending stiffness MD: >110 Mn
Bending stiffness CD: >50 Mn
Opacity: 95 minutes
CIE whiteness: 167%
Cobb test: 27 to 33g/m2, 27 to 33
Suitable for stay flat after copying
Leave no dust in the copy machine
White and clean
Touch smooth and bulky
Suitable for laser, Inkjet printers and fax machines
Size: 5 x 11 inches (216 x 279mm)
International standard: A4 (210 x 297mm) (II) American
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