Offset paper|031

Our copy paper has an unique sets of distinctive qualities , with wide range of brightness scale and weight to meet your every copying needs. This products offer an comparable prices and print performance ahead its competitor. We encourage you to check our copy paper specification and see if it is meet your copying requirements.

Qingdao Flying Industrial Co.,Ltd
Technical Data on Offset printing apper
Item	Unit	Request	Data	Remarks
Substance	g/m2		55±2.5 60±2.5
			70±3.0 80±3.0
			90±3.5 100±3.5
Tolerance	g/m2	not less than	3.0
			4.0	above 80gsm
Whiteness	%	not less than	98
Thichness	mm	not less than	0.070 0.075
			0.088 0.1
			0.113 0.125
Breaking length	m	vertical	3200	below 80gsm
			3200	above 80gsm
		Horizontal	4300	below 80gsm
			4300	above 80gsm
Smoothness	S	not less than	40
S. difference	%	face and back not less than	20
ratio of expansion and contraction	%	laterally not more than	2.3
Glueing	mm	not less than	0.75	absorption 30 g/m2（60S）
Ash content	%		15-20
Dust	unit/ m2	0.2-0.5mm2	60
		0.5-1.5mm2	5
		>1.5 mm2	No
Moisture	%	5.0±1.0