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.