Hydroxypropyl methylcellulose, feem ntau hu ua HPMC, yog cov khoom siv dav siv hauv cov khoom noj khoom haus, tshuaj, kev tsim kho, tshuaj pleev ib ce, thiab khoom tu tus kheej. Nws yog ntuj cellulose ether uas yog tsim los ntawm cov tshuaj hloov kho ntawm cellulose, ib tug natural polymer muab tau los ntawm pla ...
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