Natural polymer material hydroxypropyl methyl cellulose
What is hydroxypropyl methyl cellulose?Hydroxypropyl methyl cellulose is a natural polymer material, rich in resources, non-toxic, harmless, and low cost, which is the nature of abundant renewable resources. In medicine, hydroxypropyl methyl cellulose can be used as tablet film coating material; its film formation is good and can be used as drug positioning release excipients. In addition, the main component of hydroxypropyl methylcellulose eye drops commonly used in the clinic is hydroxypropyl