Typical Chemical Analysis Element % Element % SiO2 64.7 CaO 1.3 A12O3 17.6 K20 .46 Fe2O3 4.4 Na2O 2.5 MgO 1.8 TiO2 .16 H2O (Crystal) 5.9 Specifications SPECS TYPICAL ANALYSIS API SPECS Fann @ 600 rpm 35 - 40 30.00 Fann @ 300 rpm 25 - 30 Plastic Viscosity 10 Yield Point/Plastic 1.5 - 2.0 3 Maximum Viscosity Ratio Filtrate 13.5 ml. 15.0 Maximum Dry Sieve Analysis 78% - 80% (-200 Mesh) Wet Sieve Analysis 2.5% - 3.0% 4.0 Maximum Moisture 7.0% - 9.0% 10.0% Maximum pH (6.0% solution) 8.5 - 9.5. 25, 50 and 1000kg.