4.198520Celite® 545filter aid,flux calcined,pH ~10CAS No. 68855-54-9<\/P>
DensityWet (lbs\/ft3) 16.5 ~ 23.0 150 Mesh Screen Residue, % 2 ~25 Median Cake Pore Size, Microns 17.0 pH (25 °C, 10% in aq. suspension)~ 10.0 Permeability, D’arcys 2.30 ~ 6.5 Loss on Ignition (900 °C), % 0.3 TYPICAL CHEMICAL ANALYSIS, %SiO2 89.6 Al2O3 4.0 Fe2O3 1.3 P2O5 0.2 TiO2 0.2 CaO 0.5 MgO 0.6 Na2O K2O 3.3 <\/P>