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.
SPECIFICATION OF RS700
EQUIVALENT TO CELATOM FW 60/Celite545
PHYSICAL AND CHEMICAL PROPERTIES
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Structure
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Flux-Calcined
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Color
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White
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G.E. Brightness
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85
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Sieve Analysis (Tyler)
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% +150 mesh (>105 microns)
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10-20
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% +325 mesh (> 44 microns)
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….
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Median Particle Diameter (microns)
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48
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pH (10% slurry
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10
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Free Moisture (max % H2O)
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0.5
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Density
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(1b/ft3) (g/l)
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Wet Bulk
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25 330-352
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Dry Bulk
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12 240
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Permeability (Darcy)*
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4.0-6.5
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Specific Gravity
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2.33
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Refractive Index
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1.46
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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