Product Brand and Technical Indicators of Silica 2

After grinding, ball-milling and other secondary processing, it can be applied to the fields of light-color rubber and transparent tape such as HTV, RTV and ceramic glaze, etc.


Executive standard: HG/T3061

 

Index Technical Requirements
BET surface area, m2/g 165- 190 140-165 165- 190 140-165 150-170
Silica content (dry goods), % ≥98.5 ≥98.5 ≥98.0 ≥98.0 ≥98.5
Heating loss, % 5.0-7.0 5.0-7.0 5.0-7.0 5.0-7.0 5.0-7.0
Loss on ignition (dry goods) % 3.5-6.0 3.5-6.0 3.5-6.0 3.5-6.0 3.5-6.0
pH value 6.0-7.5 6.0-7.5 6.0-7.5 6.0-7.5 6.0-7.5
DBP absorption value, cm3/g 2.2-2.8 2.2-2.8 2.2-2.8 2.2-2.8 2.2-2.4
Sulfate content, % ≤0.6 ≤0.6 ≤1.0 ≤1.0 ≤6.0
Total iron content, mg/kg ≤150 ≤150 ≤300 ≤300 ≤150
Product appearance White powder

 

Applications: After grinding, ball-milling and other secondary processing, it can be applied to the fields of light-color rubber and transparent tape such as HTV, RTV and ceramic glaze, etc.


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