AEROSIL 200 
 Hydrophilic fumed silica 
 AEROSIL 200 is a surface area of 200m2 / g of the hydrophilic fumed silica 

 Physical and chemical data 

 Nature of typical units 
 Specific surface area (BET method) m2 / g 200 ± 25 
 The average primary particle size Nm 12 
 Bulk density * (approximate) 
 According to DIN EN ISO 787/11, Aug, 1983 g / l 50 
 Apparent density (approximate) * 
 ACM 104 g / l 30 
 Under water * 105 ℃ 2 hours Wt.% ≤ 1.5 
 Loss on ignition 
 To 105 ℃ for 2 hours after drying the material, burning at 1000 ℃ for 2 hours Wt.% ≤ 1.0 
 PH value of the dispersion of 3.7-4.7 in 4% 
 SiO2 content of the material after burning on Wt.% ≥ 99.8 

 * The factory - a typical value for the given data rather than the production parameters 

 Applications and features 
 Applications 
 ? paints and coatings 
 ? unsaturated polyester resins, laminating resins and gel coat 
 ? HTV HTV silicone rubber and RTV-2K-component RTV silicone rubber 
 ? adhesives and sealants 
 ? printing ink 
 ? cable and cable insulation adhesive gel 
 ? Plant Protection 
 ? Food and Cosmetics 
 Features 
 ? Control of liquid systems, adhesives, polymers such as rheology and thixotropy 
 ? used to prevent sedimentation, thickening, anti-sag additives 
 ? HCR high-temperature vulcanized silicone rubber RTV-2K-component RTV silicone rubber reinforcement 
 ? improve the powder properties, improve mobility and Results Results of anti-