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Hydroxypropyl Methyl Cellulose chemical (HPMC/MHPC)
Technical specifications
1. Quality Stanrdard:
brand | Methyl cellulose |
Hydroxypropyl methyl cellulose | Hydroxyethyl methyl cellulose | |||
item | index | MC | ME | MF | MK | MH |
methoxyl | content% | 27.5~31.5 | 28.0~30.0 | 27.0~30.0 | 19.0~24.0 | 22.0~30.0 |
degree of substitution | 1.7~1.9 | 1.8~2.0 | 1.7~1.9 | 1.1~1.6 | 1.3~2.5 | |
hydroxypropyl | content% | / | 7.5~12.0 | 4.0~7.5 | 4.0~12.0 | 2.0~14.0 |
degree of substitution | / | 0.2~0.3 | 0.1~0.2 | 0.1~0.3 | 0.06~0.5 | |
gelling point | 53~67 | 58~64 | 62~68 | 70~90 | 60~90 | |
Moisture(Wt%) | ≤0.5 | |||||
ash content(Wt%) | ≤3.0 | |||||
PH | 5.0~7.5 | |||||
fineness | 80,100,120 | |||||
Viscosity(mpa.s) | See the viscosity specifications | |||||
2. Viscosity: (2% solution)
NDJ-1 | B type Viscosimeter | ||
Rating Viscosity(mPa.s) | Range | Rating Viscosity(mPa.s) | Range |
400 | 350-500 | 400 | 350-500 |
1500 | 1300-1800 | 1500 | 1300-1800 |
4000 | 3600-4800 | 3500 | 3000-4500 |
6000 | 5400-7000 | 5000 | 4000-6000 |
10000 | 9000-12000 | 9000 | 8000-10000 |
20000 | 18000-24000 | 18000 | 16000-20000 |
40000 | 36000-48000 | 30000 | 24000-36000 |
60000 | 54000-70000 | 35000 | 28000-42000 |
75000 | 68000-85000 | 40000 | 32000-48000 |
100000 | 90000-120000 | 50000 | 40000-60000 |
150000 | 130000-160000 | 60000 | 50000-70000 |
200000 | 160000 | 75000 | ≥65000 |
Hydroxypropyl Methyl Cellulose chemical