Regular Granular Coconut Shell Carbon U.S. Standard Sieve Size (Mesh Size) : 4x8 / 6x12 / 8x16 / 8x30 / 12x40 / 20x50 Iodine (mg/g) Minimum : 800/850/900/950/1000/1050/1100/1150/ 1200/1250/1300 CCL4/CTC (%) Minimum : 50 / 55 / 60 / 65 / 70 / 75 / 80 Apparent Density (g/cc) : 0.40-0.54 Hardness (%) Minimum : 95 / 96 / 97 / 98 / 99 Surface Area (m2/g) : 850-1350 Ash Content (%) Maximum : 5 Moisture (%) Maximum : 5 pH : 8~10