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