1) 30 years professional experience 2) Chemical Formula: Na2O . Al2O3 . 2 SiO2 . n H2O 3) Bulk density:0.6~0. ... Zeolites are available in beads of 1-2 mm, (10x18 mesh) 2-3 mm, (8x12 mesh) , 2.5-5 mm, (4x8 mesh) ... and as powder, and in pellet 1.6, 3.2. ... Please ask for separate data sheets. Package: 30kg or 25kg carton box, inside bag ...