1, Dab tsi yog qhov tseem ceeb ntawm kev siv hydroxypropyl methyl cellulose (HPMC)? HPMC yog dav siv hauv cov khoom siv hauv tsev, coatings, hluavtaws resins, ceramics, tshuaj, khoom noj khoom haus, textiles, kev ua liaj ua teb, tshuaj pleev ib ce, luam yeeb thiab lwm yam lag luam. HPMC tuaj yeem muab faib ua: qib kev tsim kho, qib zaub mov thiab kev kho mob g ...
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