... feature:select the quartz sand and dyeing then form the colored sand,the color is fresh , various and permanent2 color ... -8mm,or as customers require, 200 mesh, 300 mesh, 400 mesh, 600 mesh, 800 mesh, 1200 mesh.4 technic:natural or artifical5 silt content ... kg/m3):1600-18009 variety: natural colored sand, sintered colored sand,dye colored sand , decorative colored sand10 application Our color sand used ...