... of methoxyl groups content, HPMC is increased in gelling temperature and decreased in water solubility and surface activity. 8. Dissolving ... HPMC can be uniformly disperse in hot water. Then cool down in two ways: 1) Add water in container to 1/3 or ... , emulsifying agent, water-retaining agent, and film-forming agent in petrochemical industry, coating, building industry, ink printing industry, ceramics ...