Product Brand and Technical Indicators of Silica 3

Tire industry


Executive standard: HG/T3061

 

Index Technical Requirements
BET surface area, m2/g 160-180 120-140 150-180 150-180 150-180
Silica content (dry goods), % ≥96.5 ≥96.5 ≥96.5 ≥96.5 ≥96.5
Heating loss, % 5.0-8.0 5.5-7.5 5.5-7.5 5.5-7.5 5.5-7.5
Loss on ignition (dry goods)% 4.0-6.0 4.0-6.0 4.0-6.0 4.0-6.0 4.0-6.0
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 2.2-2.7 1.9-2.3 2.1-2.4 2.1-2.4 2.1-2.7
Sulfate content, % ≤1.7 ≤1.7 ≤1.7 ≤1.7 ≤1.7
Total iron content, mg/kg ≤1000 ≤1000 ≤1000 ≤1000 ≤1000
Product appearance White powder, granular (Model K), microbead (Model Y)

 

Applications: Tire industry


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