Evonik Aerosil® R 972 V Densified hydrophilic fumed silica

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Evonik Aerosil® R 972 V Densified hydrophilic fumed silica
Categories:	Other Engineering Material; Additive/Filler for Polymer
Material Notes:	CAS No: 68 611-44-9 Aerosil® R 972 V is a densified hydropobic fumed silica after treated with DDS (Dimethyldichlorosilane) based on a hydrophilic fumed silica with a specific surface are of 130 m2/g. Applications: Silicone rubber Paints and coatings Adhesives Printing Inks and toner Cable compounds and gels Properties: Hydrophobic reinforcing component for HCR-silicone rubber Water resistant, hydrophobising of liquid systems Rheology control of (complex) liquid systems For use in coatings as anti-settling agent, for pigment stabilization and improvement of corrosion protection Improves hydrophobicity and rheology of offset printing inks Reduced dust development Improvement and maintenance of free flow and anti-caking characteristics of powders Improved incorporation and handling when applying sufficient sheer forces Information provided by Evonik
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Physical Properties	Metric	English	Comments

Density	0.0900 g/cc	0.00325 lb/in³	Tamped
pH	3.6 - 5.0	3.6 - 5.0	in 4% dispersion
Specific Surface Area	90 - 130 m²/g	90 - 130 m²/g

Component Elements Properties	Metric	English	Comments
Carbon, C	0.60 - 1.2 %	0.60 - 1.2 %
SiO2	>= 99.8 %	>= 99.8 %	based on ignited material

Descriptive Properties
Loss on drying	<0.5%		2 hrs at 105°C

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PEVONIN002 / 317036

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