Has high reinforcing performance,make rubber products light-colored and have good transparency

silica powder for rubber products and rubber sole

jacky at fengrunchem dot com

SiO2 (%)	≥ 92
Loss on heating (%)	5.0-6.5
Loss on ignition (%)	≤ 7.0
PH value	6.5-7.0
Specific surface area  BET(cm2/g)	160 -175
DBP absorption value (cm3/g)	2.2-2.4
Total iron content ( mg/Kg)	≤ 300
Sulfate (%)	≤1.5
Pellet degree	≥100mesh/inch: ≥92%

silica powder with special physicochemical properties,used as reinforcing filler for rubber and  rubber soles, it's high reinforcing effect approximates to carbon black,but it can make rubber products look light-colored and have good transparency.

  

silica powder