High transparency and stable performance.
HPMC has the property of thermal gelation. The product aqueous solution is heated to form a gel and precipitates, and then dissolves after cooling. The gelation temperature of different specifications is different. Solubility varies with viscosity. The lower the viscosity, the greater the solubility. Different specifications of HPMC have certain differences in their properties, and the dissolution of HPMC in water is not affected by the pH value.
Particle size: 100 mesh pass rate is greater than 98.5%.
Bulk density: 0.25-0.70g/ (usually about 0.4g/), specific gravity 1.26-1.31.
Discoloration temperature: 200-200°C,
Carbonization temperature: 280-300°C.
Methoxy value 19.0% to 30.0%,
Hydroxypropyl value 4% to 12%.
Viscosity (22℃, 2%) 5～200000mPa.s.
The gel temperature (0.2%) is 50-90°C.
HPMC has the characteristics of thickening ability, salt discharge, PH stability, water retention, dimensional stability, excellent film-forming property and wide range of enzyme resistance, dispersibility and cohesiveness.