HPMC is a natural polymer made from cotton cellulose through chemical processing.
There are two methods for dissolving HPMC:
Hot water dissolution method:
Since HPMC does not dissolve in hot water, the initial HPMC can be evenly dispersed in hot water, and then quickly dissolved when cooled
(1) Put the required amount of hot water in the container and heat to about 70 ºC. Add HPMC slowly under stirring. At the beginning, HPMC floats on the surface of the water. With constant stirring, HPMC and water will dissolve to form a viscous liquid.
(2) Add appropriate amount of water in the container and heat to 70 ºC, disperse HPMC according to (1) to prepare hot water slurry; then add the remaining amount of cold water to the hot water slurry, stir and cool The mixture.
Powder mixing method:
Mix the HPMC powder with a large amount of other powdery substances, mix it thoroughly with a blender, and then add water to dissolve, then the HPMC can be dissolved without clumping and agglomeration, because each small corner has only a little HPMC The powder will dissolve immediately in water.
| ITEM |
RANGE |
| Hydroxypropyl content |
7-12% |
| Methoxy content |
25-30% |
| Ash |
≤5% |
| Viscosity |
20,000-200,000mpa.s |
| PH |
5-8 |
| Purity |
99% |
| Gel temperature |
55-65ºC |
| Light transmittance |
≥80% |
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