Hydroxypropyl methylcellulose (HPMC) yog cov khoom siv polymer uas muaj ntau yam siv ntau yam lag luam, suav nrog tshuaj, khoom noj, kev tsim kho, thiab tshuaj pleev ib ce. Ib qho tseem ceeb ntawm nws daim ntawv thov yog nws cov solubility hauv cov kuab tshuaj sib txawv, suav nrog isopropyl cawv (IPA). HPMC feem ntau yog ...
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