... density,Ceramic Proppant is divided into: low-density, medium density, high-density. Specifications ofCeramic Proppantare: 12-18 mesh, 12-20 mesh ... -20 mesh, 16-30 mesh, 20-40 mesh between 30-50 mesh, 40-60 mesh, 40-70 mesh and so on ... = new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); 30-50 high quality ceramic sand proppant