Evonik ULTRASIL® VN 2 GR Silica

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Evonik ULTRASIL® VN 2 GR Silica
Categories:	Other Engineering Material; Additive/Filler for Polymer
Material Notes:	ULTRASIL® VN 2 GR as a precipitated silica is used as a reinforcing filler in all kind of rubber applications. Properties and applications: ULTRASIL® VN 2 GR is a mechanically compacted granulate. On account of the granulation process it leads to less dust development during mixing. Due to its lower specific surface area ULTRASIL® VN 2 GR has a slightly lower reinforcing potential compared to ULTRASIL® VN 3. It imparts to rubber compounds high Shore hardness, tensile strength, tear resistance and abrasion resistance and offers advantages concerning compound viscosity and processing. In order to achieve optimum rubber-technical data the addition of activators like glycols, amines or other alkaline accelerators is necessary. Application fields are: Tires, mechanical rubber goods CAS No: 112926-00-8 and 7631-86-9 Information provided by Evonik
Vendors:

Available Properties
Density, ASTM D1513, Poured Particle Size, ISO 5794-1F, <10% SA Ro-Tap Particle Size, ISO 5794-1F, >80% SA Ro-Tap pH, ISO 787-9, 5% in water Specific Surface Area, ISO 9277, N2 Ionic Impurities - Fe (Iron) SiO2, ISO 3262-19, based on ignited substance (2 h/1000°C)

Property Data

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Manufacturer Notes:
Evonik Corporation (Former Evonik Degussa GmbH)

Category Notes
none

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