Hydroxypropyl methyl cellulose (HPMC) is purified cotton that is pulverized, then subjected to alkalization reaction, and then added with chloromethane + propylene oxide to carry out etherification reaction to form crude HPMC, which is neutralized, filtered, dried, After crushing and sieving, pure HPMC with a certain fineness is obtained.
| نام ویژگی | مقدار ویژگی |
|---|
| دانسیته | 1.3±0.1 g/cm3 |
| رنگ | سفید |