Index                           MIN          MAX   
Penetration rate (Darcy)             0.06            0.11   

Filter-cake density, g/cm³                    ---                   0.40 

+150 M, %                       0.0             3.0

PH                                5.0             8.0     

Physical & Chemical Index

Color                                      light pink

State                                       powder

Raw material                                diatomite     

Grade                                      calcined

Real Density                                 2.0-2.3

Ignition loss,%                                <2.0

SiO₂, %                                      >85.0

Al₂O₃, %                                     <4.0  

Fe₂0₃, %                                     <1.5