Biyo la'aanta Hydroxypropyl Methylcellulose (HPMC) waxay ku lug leedahay ku kala firdhinta dareeraha iyadoo la ilaalinayo diiradda la rabo. HPMC waa polymer ka soo jeeda cellulose, oo inta badan loo isticmaalo dawooyinka, isqurxinta, iyo qalabka dhismaha si ay u dhumucdooda, xidhidhiyaan, iyo sifooyin-samaynta filimada.
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