China Pharmaceutical Grade Factory Price HPMC/ HPMC K100m CAS No. 9004-65-3, Find details about China 9004-65-3, Hypromellose from Pharmaceutical Grade Factory Price HPMC/ HPMC K100m CAS No. 9004-65-3
Item | Type 2910 | Type 2208 | Type 1828 | Type 2906 |
Methoxy (%) | 27.0/28.0-30.0 | 19.0-24.0 | 16.5-20.0 | 27.0-30.0 |
Hydroxypropoxy (%) | 7.0-12.0 | 4.0-12.0 | 23.0-32.0 | 4.0-7.5 |
Residue on ignition / Sulphated ash (%) | ≤1.5 | |||
pH | 5.0-8.0 | |||
Loss on drying (%) | ≤5.0 | |||
Viscosity(mPa.s) (2% solu.,20ºC) | 3-100000 | |||
Less than 600 mPa.s: 80%-120% of the viscosity stated by viscosimeter of Ubbelohde type; 600mPa.s or higher:75%-140% of the viscosity stated by viscosimeter of Brookfield type LV Model,or equivalent. |