230-450 GSM Good Quality Coated White Duplex Board with Grey Back

Item Details

Product Description

Basic Info

Feature:Waterproof	Usage:Food Wrapping Paper, Gift Wrapping Paper, Paper Cup Paper, Tracing Paper, Filter Paper
Paper Type:Duplex Board	Weight:70,75,80
Coating Side:Uncoated	Quality:A
Pulp Style:Virgin	Wine Labels:Classical White Paper
Trademark:chenming	Origin:China

GRADE AA

Basis Weight	GSM	230	250	300	350	400	450	500
Weight Range	(gsm)	±10	±10	±10	±10	±10	±10	±10
Thickness	(m/m)	0.28±0.02	0.31±0.02	0.37±0.03	0.43±0.02	0.5±0.02	0.56±0.02	0.62±0.02
Density	(g/cm3)	≤0.8	≤0.8	≤0.8	≤0.8	≤0.8	≤0.8	≤0.8
Moisture	(%)	5.8±1.0	6±1.0	6.5±1.0	7±1.0	7.5±1.0	8.0±1.0	8.5±1.0
Gloss	(%)	85	85	85	85	85	85	85
Brightness,Whiteness	(%)	≥82	≥82	≥82	≥82	≥82	≥82	≥82
Smoothness	(s)	≥100	≥100	≥100	≥100	≥100	≥100	≥100
Coating Weight	(g/m2)	36	35	35	35	35	35	35
Dispersion of basic weight at landscape orientation	(%)	6.8	7.0	7.5	8.0	8.5	9.0	9.5
Sizing	(g/m2)	15-20	15-20	15-20	15-20	15-20	15-20	15-20
Stiffness Taber(MD)	(mN.m)	≥2.1	≥2.9	≥4.1	≥6.3	≥9.0	≥12.1	≥15.6
Stiffness Taber(CD)	(mN.m)	≥13.5	≥14.5	≥17.1	≥20.0	≥24.8	≥30.1	≥36.5
Folding endurance	(times)	≥10	≥10	≥10	≥10	≥10	≥10	≥10
Absorption capability of ink	(%)	18-23	18-23	18-23	18-23	18-23	18-23

Packaging for Duplex Board Grey Back:

1.In Rolls,PE film wrapped,4 angles protected,Waterproof film.
2.In Sheets,bulk packed on strong wooden pallets wrapped with PE film,4 angles protected.
3.In Ream,normally 100 sheets per ream.Ream packed wrapped with PE film,4 angles protected.