1. good price 2. timely delivery time 3. Using for Sugar, Honey, Edible Oil, Swimming Pool Water Treat,etc. BS- ... # Index MIN MAX Penetration rate (Darcy) 0.06 0.11 Filter-cake density, g/cm3 --- 0.40+150 M, % 0.0 ... ,% <2.0SiO2, % >85.0Al2O3, % <4.0 Fe203, % <1.5 diatomite filter aid