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Product Description

Specifications
Core Board Paper
Name Core Board Paper
Basis weight 360-510gsm
Thickness 0.5-0.73mm
Roll width 500-2000mm in width oem
Paper color Unbleached brown
Quality Grade AA, Grade A, Grade B
Brands Tianhong
Application used for paper tube and corner protector converting
Descriptions
Core Board Paper
1
Professional quality control system
2
High pressure resistance
3
Hard stiffness and strong break resistance
4
Stable glue absorbing ability and high bonding strength
5
Hard and strong quality with surface wear-resistance
6
High cobb with good water resistance
7
Smooth and uniform paper surface
8
Standard export seaworthy packing
9
Good reputation and high degree of customer identification
10
Over 30 years experience exporting team offering professional services
Parameters
Core Board Paper
Parameters
Unit
Value
Basis weight
gsm
360-510±5%
Thickness
mm
≥0.50-0.73
Density
g/cm3
≥0.70
Ply bond
J/m2
≥200-350
Ring crush index
N.m/g
≥12-18
COBB
g/m2
400±50
Moisture
%
6±5%
Smoothness
sec
≥10
PH value  
8
Color  
unbleached brown