What is Hydroxypropyl methyl cellulose HPMC?
Hydroxypropyl methyl cellulose HPMC is a non-ionic cellulose mixed ether in a variety and ionic methyl carboxymethyl cellulose mixed ether, it does not react with heavy metals. One oxygen radicals because of hydroxypropyl methyl cellulose content and the different proportion of hydroxypropyl content and viscosity,…