used as reinforcing filler for rubber products,make rubber products look light-colored and have good transparency
silica granular with special physicochemical properties,used as reinforcing filler for rubber products and rubber sole,it's high reinforcing effect approximates to carbon black,but i can make rubber products look light-colored and have good transparency
jacky at fengrunchem dot com
SiO2 (%) | ≥ 92 |
Loss on heating (%) | 4.0-8.0 |
Loss on ignition (%) | ≤ 7.0 |
PH value | 6.0-7.0 |
Specific surface area BET(cm2/g) | 160 -180 |
DBP absorption value (cm3/g) | 2.0-3.0 |
Total iron content ( mg/Kg) | ≤ 300 |
Sulfate (%) | ≤1.5 |
Pellet degree | >100mesh/inch: ≥90% |
PPT silica granular
