The products are made by choosing superior quality diatomite from CHANGBAI Mountain as its raw material, and adopting advanced processing technology such as material dynamic flow, coal gas roast, closed gas transportation, multi-functional processing and digital monitor. The company has certified with ISO9001: 2000 quality system. Its series products are divided into three categories and more than twenty grades which involve in each and every field the diatomaceous products being used.
SPECIFICATION OF NATUAL DE
PHYSICAL AND CHEMICAL PROPERTIES
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Structure
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Natual
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Color
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Off White
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G. E. Brightness
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74
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Sieve Analysis (Tyler)
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% +150 mesh (> 105 microns)
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% +325 mesh (> 44 microns)
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Median Particle Diameter (microns)
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15
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pH (10% slurry
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7-8
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Free Moisture ( % H2O)
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3--5
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Density
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(g/l)
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Wet Bulk
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350-360
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Dry Bulk
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190-210-
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CHEMICAL ANALYSIS
Ignition on loss% ≤4. 0
SiO2% ≥89
Fe2O3% ≤4. 0
Al2O3% ≤3. 5
CaO% ≤1. 0
MgO% ≤0. 17