Sea vegetable powder is a variety of organic chemicals formulated by the composite material, there are a variety of models, we did not see other names applicable to construction materials as a retarder, water retention agent, thickening agent and binder. In the proportion of cement as a retarder and water retention; in the concrete components and mortar, can improve the viscosity and shrinkage, enhance the bond, control the structure of the cement setting time, improve the construction efficiency and is conducive to the construction of the surface to prevent the weathering of water-soluble salts. Scope of application This product has a wide range of applications, where all construction (including underwater work, concrete interface treatment) decoration needs to be used to cement or cement mortar wiping, masonry, painting and other construction work. All can be applied as a seasoning sea vegetable powder, mixed with which, that can play its unique role.