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EC wihte Ethyl Cellulose white, tasteless, odorless, non-toxic granule or powdery, it is stable in light and heat Softening temp. 135-155°C, Melting point165-185°C.Ethyl cellulose is soluble in common solvent, It is compatible with varieties of resins and plasticizer. The film and plastic articles made form ethyl cellulose have good mechanical strength and toughness at higher or lower temperature.
1technical grade technical index
Type Item | EK | EN | ET |
Ethyl content,% | 45.0-47.9 | 48.0-49.5 | ≥49.6 |
viscostiy1:4ethanol-toluene solventmPa.s | Meet the reqirement of Table 2 | ||
Solubility,% | ≥99.0 | ||
Ash content,% | ≤0.3 | ||
Water content,% | ≤3.0 | ||
Heat resistance120,16h | No yellowing,agglomeration or coking | ||
viscostiy
spec | Viscosity range mPa.s | spec | Viscosity range mPa.s |
6 | 5-8 | 100 | 90-110 |
10 | 8-12 | 110 | 100-120 |
15 | 12-16 | 150 | 135-165 |
20 | 18-24 | 200 | 180-220 |
35 | 31-39 | 250 | 220-270 |
50 | 45-55 | 300 | 270-330 |
70 | 63-77 |
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2Medical use technical index
Type Item | EK | EN | ET |
Ethyl content,% | 44.0-47.9 | 48.0-49.5 | 49.6-51.0 |
viscostiy1:4ethanol-toluene solventmP.s |
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Residue on ignition,% ≤ | 0.4 | ||
Drying loss,% ≤ | 3.0 | ||
Heavy metal,% ≤ | 0.0020 | ||
Arsennic salt,% ≤ | 0.0002 | ||
spec | Viscosity range mPa.s | spec | Viscosity range mPa.s |
7 | 5-8 | 70 | 63-77 |
10 | 8-12 | 100 | 90-110 |
15 | 12-16 | 150 | 135-165 |
20 | 18-24 | 200 | 180-220 |
30 | 27-33 | 250 | 221-270 |
50 | 45-55 | 300 | 271-330 |
EC wihte Ethyl Cellulose