Hydroxypropyl methyl cellulose (HPMC) and hydroxyethyl methyl cellulose (HEMC) are widely used building materials. When used in joint fillers, it has the following characteristics:
Usability:
Provide suitable viscosity, good plasticity and easy processing;
Water retention:
Make the mud fully hydrated, prolong the working time and avoid cracking;
Anti-slip:
Make a strong adhesive on the surface of the slurry without sinking.