These products are a water-soluble ether, with thermal gelation properties, which has excellent cold-water soluble and hot water insoluble properties, It is a non-ionic cellulose ether mixture, the solution of non-ionic charges, which can't react with metal salts or ionic compounds. It has pH stability, strong enzyme resistance and metabolic inertia; Also has a good dispersion, emulsification, thickening, adhesion, water retention and protective colloid properties, so they are which is widely used in construction, paint, synthetic resin, ceramics, tobacco, textile, daily chemical, petrochemical and electronics industries.