DESCRIPTION

Technical Data Sheet
 
PRODUCT INTRODUCTION

 
  • Name: Fumed silica
     
  • Appearance:Fluffy white powder.
     
  • Technical indexes
Item
Indexes
The nitrogen adsorption specific surface area/(m2/g)
Typical values±30
Loss on ignition/%          ≤
2.5
Silica content/%            ≥
99.8
Suspension PH
3.7~4.5
Al2O3 content/(mg/kg)     ≤
400
TiO2 content/(mg/kg)     ≤
200
Ti2O3 content/(mg/kg)     ≤
30
Carbon content/%            ≤
0.2
Chloride content(mg/kg)      ≤
250
105℃ volatiles/%           ≤
3.0
Tap density /(g/dm3
30~60
45μm screenings/(mg/kg)   ≤
250
 
  • Applications:Due to its small particle size, specific surface area is big, therefore the surface adsorption power, surface energy, high chemical purity
  • Package storage and transportation:  this product hydroscopicity is strong, with more than three layers of kraft paper valve bag packaging, using vacuum packaging machines, automatic packaging. 
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