Technical Specification:  
Properties
Substance(gsm)
Thickness (mm)
Moisture (%)
Sheet Size
Tolerance (mm)
Test
Method
GB/T451.2
GB/T451.3
GB/T462
GB/T451.1
Single Ply
Board
300
+3.0/-4.0%
0.49
+/-0.025
8.0 +/-2.5
+3/-0(CD/MD)
350
0.58
400
0.66
450
0.74
500
0.82
550
0.88
+/-0.035
600
+2.5/-3.5%
0.99
650
1.07
 
Product Description
Brand
 Crystal 
Grade 
A
Material
Mixed pulp
New-style environmental protection material
Substance
 300gsm ~ 650gsm 
 Thickness 
0.49mm ~ 0.74mm
 
Standard roll size
 
787mm and 889mm width, 6inch inner paper core, 1300mm diameter Different width can be produced as per customers' request
Advantage
glossy surface
high stiffness
good folding strength
moisture resistance
Usage
mainly used for hard book  cover jacket, middle and top grades stationery, jigsaw puzzle, folder, album, case and leather, etc.
Package
Each roll wrapped by PE film to protect the grey paper roll and then fixed by plastic strap
 
 
Our two side Grey Paper Roll has three grades including Crystal Brand, Jade Brand, Diamond Brand.
The raw materials for our grey paper roll are local & european / USA recycled paper and newspaper.
The standard width of grey paper roll is 787mm and 889mm, or different width can be customerized. 
THe diameter for all brand grey paper roll is 1300mm with 6 inch inner paper core. We can make from
300gsm to 650gsm in roll.