Rheology and thixotropy control of liquid systems, binders, polymers, etc.
Used as anti-setting, thickening, anti-sagging agent
Improvement of free flow and anti-caking characteristics of powders
Properties
Unit
Typical Value
Standardization
Specific surface area (BET)
M²/g
150 ±15
GB/T 10722
PH-value in 4% dispersion
%
3.7----4.5
GB/T 1717
Loss on drying (2h@105°C)
%
≤1.5
GB/T5211.3
Loss on ignition(2h @1000 °C,based on material dried for 2h@105°C)
%
≤2.0
GB/T 20020
Sieve residue(45 μm)
%
≤0.04
GB/T 5211.14
Silica content (based on ignited material)
%
≥99.8
GB/T 20020
Tamped density(based on ignited material)
g/L
40--60
GB/T 5211.4
Carbon content (based on material dried for 2h @105°C)
%
≤0.2
GB/T 20020
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