Evonik Aerosil® 200 VS Densified hydrophilic fumed silica

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Evonik Aerosil® 200 VS Densified hydrophilic fumed silica
Categories:	Other Engineering Material; Additive/Filler for Polymer
Material Notes:	CAS No: 112 945-52-5; 7631-86-9 Aerosil® 200 VS is a densified hydrophilic fumed silica with a specific surface area of 200 m2/g. Applications: Paints and coatings HTV – Silicon rubber Adhesives and sealants Printing Inks Cable compounds and cable gels Plant protection Properties: Rheology and thixotropy control of liquid systems, binders, polymers, etc. Used as anti-settling, thickening and anti-sagging agent Reinforcement of HTV- silicone rubber Improvement of free flow and anticaking characteristics of powders Reduced dust development Improved incorporation and handling when applying sufficient shear forces. Information provided by Evonik
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Physical Properties	Original Value	Comments

Density	0.120 g/cc	Tamped
pH	3.7 - 4.5	in 4% dispersion
Specific Surface Area	175 - 225 m²/g

Component Elements Properties	Original Value	Comments
SiO2	>= 99.8 %	based on ignited material

Descriptive Properties
Loss on drying	<1.5%	2 hrs at 105°C

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PEVONIN001 / 317035

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