Essential details
Color:White
Shipping:Ocean Freight
Product Introduction
Silicon Dioxide for Tires Industry
Executive standard: HG/T3061
Item | Specification | ||
Appearance | White powder, granular, microbead | ||
120-140 | 160-180 | 170-190 | |
SiO2 content (on dry basis), % | ≥96.5 | ≥96.5 | ≥96.5 |
Loss on drying (105℃, 2h), % | 5.5-7.5 | 5.0-8.0 | 4.5-7.5 |
Loss on ignition (1000℃), % | 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 |
DBP absorption value, cm3/g | 1.90-2.30 | 2.20-2.70 | 2.20-2.80 |
Soluble salts (in form of Na2SO4), % | ≤1.7 | ≤1.7 | ≤1.7 |
Total iron content (Fe), mg/kg | ≤1000 | ≤1000 | ≤500 |
Applications:It serves as a filler and reinforcing agent in rubber, used in tires to improve wear
resistance and handling performance, reduce rolling resistance, and enhance wet grip
performance, thereby reducing fuel consumption and improving driving safety.