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Standard specifications for ether cellulose grade
Type Characteristics | M5 | M15 | M30 | M60 | M100 | M200 | M400 | M650 | M1000 |
Viscosity (mPa.s) | 09 | 1020 | 2140 | 4170 | 71120 | 121300 | 301500 | 501800 | >800 |
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 |
cotton linter pulp,refined cotton