|
|
 Standardspecificationsforethercellulosegrade |
| 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 |
98.0 |
98.5 |
98.5 |
98.8 |
99.0 |
99.0 |
99.5 |
99.5 |
|
Moisture (%≤) |
8.0 |
8.0 |
8.0 |
8.0 |
8.0 |
8.0 |
8.0 |
8.0 |
8.0 |
|
Water absorptivity (g/15g≥) |
155 |
150 |
150 |
150 |
150 |
150 |
150 |
150 |
150 |
|
Ash content (%≤) |
0.10 |
0.10 |
0.10 |
0.10 |
0.10 |
0.10 |
0.15 |
0.15 |
0.18 |
|
Sulphuric acid insoluble (%≤) |
0.10 |
0.10 |
0.10 |
0.10 |
0.10 |
0.15 |
0.15 |
0.20 |
0.20 |
|
Brightness (%≥) |
85 |
85 |
85 |
83 |
85 |
85 |
82 |
82 |
80 |
|
Iron contents (mg/kg≤) |
20 |
20 |
20 |
20 |
25 |
25 |
25 |
25 |
30 |
|
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