Pharmaceutical Grade Hydroxypropyl Methyl Cellulose

Pharmaceutical Grade Hydroxypropyl Methyl Cellulose

Physical and chemical properties 1. Particle size:98.5% passes through 100mesh. 100% passes through 80 mesh. 2. Charring temperature:280-300 ℃ 3. Bulk density:0.25-0.70g/cm ³ 4. Real specific gravity:1.26-1.31 5. Browning temperature:190-200 ℃ ; Surface tension:(2% water solution) 42-56 dyn/cm....
Product description

Physical and chemical properties

1. Particle size:98.5% passes through 100mesh.

100% passes through 80 mesh.

2. Charring temperature:280-300

3. Bulk density:0.25-0.70g/cm³

4. Real specific gravity:1.26-1.31

5. Browning temperature:190-200; Surface tension:(2% water solution) 42-56 dyn/cm.

6. Properties:Dissolved in water and some organic solvent such as ethanol. Propyl alcohol.ethylene chloride, The water solution is of surface activity. It is a nonionic surface active agent. Gelation temperature is different for different grades. For example,among 60RT HPMC,60 IS gelation temperature, namely,2%water solution will form gelation at 60℃。


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