Standard specifications for ether cellulose grade
Type Characteristics
M5
M15
M30
M60
M100
M200
M400
M650
M1000
Viscosity (mPa.s)
0~9
10~20
21~40
41~70
71~120
121~300
301~500
501~800
>1500
Alpha cellulose (%≥)
98.0
98.5
98.8
99.0
99.5
Moisture (%≤)
8.0
Water absorptivity (g/15g≥)
155
150
Ash content (%≤)
0.10
0.15
0.18
Sulphuric acid insoluble (%≤)
0.20
Brightness (%≥)
85
83
82
80
Iron contents (mg/kg≤)
20
25
30