Hydroxypropyl Methylcellulose is a non-ionic cellulose ether made through a series of chemical processes, with the natural polymer cellulose as the raw material. It is odorless, tasteless and non-toxic white powder. In cold water, it swells into a clear or slightly turbid colloidal solution. Hydroxypropyl Methylcellulose and Methylcellulose can be used in building materials, coating.. read more →

The density of building mortar refers to the mass density of a certain proportion of uniformly mixed and stirred cementitious materials, sand and water. As for the component materials of mortar, their respective density is as follows: the apparent density of lime putty (1350kg/m³) > the bulk density of cement (1280kg/m³) > density of water.. read more →