Basic silica

　　Product Features:

　　1,alkaline,without delaying vulcanization

　　2,low reinforcement,excellent dispersion and processability

　　3.Give the product high elasticity and low pressure

　　4,low heat generation,dynamic fatigue resistance is excellent

　　5,good dispersion,improve product heat resistance

　　Application areas:rubber rollers,seals,fluoroelastomers,acrylate rubber,hydrogenated nitrile rubber

　　Performance parameters:

　　Specific surface area(N2)70 m2/g

　　Particle size,(d50)laser distribution 5μm

　　Compacted density,unscreened 250 g/l

　　Loss on drying,2 hours 105°C 6%

　　Burning weight loss,2 hours 1000°C 14%

　　PH value,5%aqueous solution 10.5 g/100g

　　DBP oil absorption value 155

　　SiO2 content 82%