HPMC hydroxypropyl methylcellulose 20 questions (1)
HPMC hydroxypropyl methylcellulose 20 questions (1) Industrial grade hydroxypropyl methylcellulose for mortar (referred to herein as pure cellulose, excluding modified products) is distinguished by viscosity. Generally used are the following grades (unit is viscosity) Low viscosity: 400 is mainly use for self-leveling mortar, but it…