... ,smash,classfication and warp5 variety: natural colored sand, sintered colored sand,dye colored sand , decorative colored sand6 application: aggregate of waterstone; painting ... the dye color sand has the fresh color ,the luster is clear Shijiazhuang Kedahua Imp & Exp Trade Co.,Ltd ... non-metalic mineral product ,such as vermiculite , perlite , colored sand and so on . It has its own factory namely ...