Standard specifications for acetate grade
Types Characteristics
C100
C200
viscosity(mPa.s)
71~120
121~ 300
Alpha – cellulose %≥
99.0
Moisture %≤
8.0
Water absorptivity g/15g≥
160
Ash content %≤
0.10
Sulphuric acid insoluble %≤
Brightness %≥
87
Iron contents mg/kg≤
15
Ether contents %≤
0.15
Soda soluble 7.14% ≤)
2.0
Copper content ≤/td>
0.20