... thickener, adhesive, water preserving agent, film-forming agent in construction, building materials, dispersion coating, wallpaper paste, ... directly added to water and then dissolve. In this way it dissolves very slow and hard ... uniformly disperse in hot water. Then cool down in two ways:a) Add hot water in container and heated ... state stir and cool down.b) Add water in container to 1/3 or 2/3 of its ...