The construction sector: as a cement mortar insurance agent, retarder having a pumping mortar. In the plaster slurry, gypsum material, putty or other building materials as a binder to improve spreadability and extend the operating time. Used as a stick tile, marble, plastic decoration, paste enhancers, can also reduce the amount of cement. HPMC water retention will not dry too fast to make a slurry and cracks in the painting, reinforcing the strength after hardening.