80gsm A4 copy paper

Paper smoothing, no flash, print clearly, processing, storage life long, no damage to the dust off your printer, excellent.

Computer pringing paper/Thermal paper roll/Office white/color copy paper,paper smoothing, moderate intensity, no flash, print clearly, processing, storage life long, the main features: no damage to the dust off your printer, excellent quality, complete specification, famous-brand products.The copy paper can be used to double-side copying,offset,jet print,handwriting and plain paper fax.

SPECIFICATION

Specification Name

Units

Country standard

Test results

Test Way

Judge

Quantification

g/m2

80±4.0%

80

GB/T451.2

Qualified

Thickness

um

≥100

112±2

GB/T451.3

Qualified

Smoonthness

S

≥18

22

GB/T456

Qualified

Opacity

%

≥90

94

GB/T1543

Qualified

Brightness

%

≥80

102%±2

GB/T7974

Qualified

Glue degrees

mm

≥1.00

1.25

GB/T460

Qualified

Dirt count

0.3-1.5mm2

PCS/m2

≤ 60

20

GB/T1541

Qualified

>1.5mm2

PCS/m2

NO NEED

0

GB/T1541

Qualified

Moisture

%

4.0~7.0

4.3

GB/T462

Qualified

CIE WHITENESS

167

80gsm A4 copy paper