Qingdao Hongxu Filter Aid Co.,Ltd, supplies diatomaceous earth (DE), also known as diatomite, diatomite filter aid,diahydro, kieselguhr, kieselgur and Celite, is a sedimentary rock primarily composed of the fossilized remains of unicellular fresh water plants known as Diatoms.
The De has a high porosity, with lower density, larger surface area, strong absorption, good suspending performance, it has relative incompressibility and chemical stability without any poison and smell.

Structure Flux-Calcined
Color White
G.E. Brightness 85
Sieve Analysis (Tyler)
% +150 mesh (>105 microns) 10-20
% +325 mesh (> 44 microns) ��.
Median Particle Diameter (microns) 48
pH (10% slurry 10
Free Moisture (max % H2O) 0.5
Density (1b/ft3) (g/l)
Wet Bulk 25 330-352
Dry Bulk 12 240
Permeability (Darcy)* 4.0-6.5
Specific Gravity 2.33
Refractive Index 1.46
CHEMICAL ANALYSIS
Ignition on loss% ?2.0
SiO2% ?89
Fe2O3% ?2.0
Al2O3% ?3.5
CaO% ?1.16
MgO% ?0.17
Pb mg/kg ?4.0
As mg/kg ?5.0