Cov yam ntxwv cuam tshuam rau cov viscosity ntawm hydroxypropyl methylcellulose Hydroxyl methyl cellulose (HPMC) yog cov khoom siv polymer dav siv hauv tshuaj, tshuaj pleev ib ce, zaub mov thiab lwm yam lag luam. Nws cov yam ntxwv tshwj xeeb, xws li siab viscosity, dej zoo-soluble thiab membrane tsim muaj peev xwm, ua rau nws yog ib qho tseem ceeb ntawm ...
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