China HPMC/Mhpc for Coating Industry Construction, Find details about China Hydroxypropyl Methyl Cellulose, HPMC from HPMC/Mhpc for Coating Industry Construction
Hydroxypropyl Methyl Cellulose (HPMC/MHPC)
1. Technical specifications .
1. Quality Stanrdard: Q/SHD004-2007| Item | Type | ||
| 60HD | 65HD | 75HD | |
| Methoxy content (WT%) | 28.0-30.0 | 27.0-30.0 | 19.0-24.0 |
| Hydroxypropoxy conten (WT%) | 7.0-12.0 | 4.0-7.5 | 4.0-12.0 |
| Gelation temperature | 58.0-64.0 | 62.0-68.0 | 70.0-90.0 |
| Drying loss (WT%) | ≤5.0 | ||
| Residue on ignition (WT%) | ≤1.0 | ||
| pH (1% solution) | 4.08.0 | ||
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 |
3. Hydroxypropyl Methylcellulose type indication:
2. Properties:
(1). Appearance: white or similar to white granular powder; odorless
(2). Properties: almost insoluble in ethanol, ether and acetone; quickly dispersed in 80-90 water; aqueous solution is very stable in room temperature; has good wetting/dispersing/adheisve/thickening/emlusifying/water preserving/film-forming properties; can prevent the infilration of grease; film formed has excellent flexibility and trransparency; has good compatibility with other emulsifier; easy salting-out. its solution is stable with PH 212.
(3). Apparent density: 0.300.70g/cm3, densisty: 1.3g/cm3.