Hydroxypropyl methylcellulose (HPMC), tseem hu ua hypromellose, yog ntau yam polymer siv nyob rau hauv ntau yam lag luam xws li tshuaj, khoom noj khoom haus, thiab kev tsim kho. Nws yog ib qho cellulose derivative hloov kho los ntawm cov tshuaj tiv thaiv los txhim kho nws cov khoom. Qhov no polymer yog tus cwj pwm los ntawm ...
Nyeem ntxiv