Hydroxypropyl Methyl Cellulose HPMC in Building Materials: Hydroxypropyl methylcellulose(HPMC) is a nonionic cellulose ether prepared by a series of chemical processing using natural polymer material cellulose as a raw material. They are an odorless, odorless, non-toxic white powder that swells in cold water into a clear or slightly turbid colloidal sol...
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