Ang Hydroxypropyl methyl cellulose (HPMC) ay isang non-ionic cellulose mixed ether na ginawa mula sa cotton at wood sa pamamagitan ng alkalization, propylene oxide at methyl chloride etherification. Ang HPMC ay may magandang dispersing, emulsifying, thickening, bonding, water at glue retention properties, at ginagamit bilang pampalapot, dispersant, binder, excipient, oil resistant coating, filler, emulsifier at stabilizer. Ito ay malawakang ginagamit sa industriya ng petrochemical, mga materyales sa gusali, keramika, tela, pagkain, pang-araw-araw na kemikal, synthetic resins, gamot, coatings, electronics, industriya ng militar at iba pang larangan.