Heerarka kala duwan ee HPMC Hydroxypropyl Methylcellulose (HPMC) ayaa lagu heli karaa darajooyin kala duwan, mid walbana waxaa loogu talagalay inuu buuxiyo shuruudaha codsi gaar ah oo ku saleysan arrimo ay ka mid yihiin viscosity, miisaanka kelli, shahaadada beddelka, iyo guryaha kale. Waa kuwan qaar ka mid ah darajooyinka caadiga ah ee HPMC: 1. Heerka G...
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