Evonik ULTRASIL® VN 2 Silica

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Evonik ULTRASIL® VN 2 Silica
Categories:	Other Engineering Material; Additive/Filler for Polymer
Material Notes:	ULTRASIL® VN 2 as a precipitated silica is used as a reinforcing filler in all kind of rubber applications. Properties and applications: Due to its lower specific surface area ULTRASIL® VN 2 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 process. To achieve these properties it is necessary to use ULTRASIL® 7000 GR and bifunctional organosilane, such as Si 69®, Si 75®, Si 266® or Si 363. Additionally the use of diethylene glycol, triethanolamien or other alkaline accelerators might be necessary in order to achieve optimum rubber-technical data. Application fields are: Tires, mechanical rubber goods CAS No: 112926-00-8 and 7631-86-9 Information provided by Evonik
Vendors:

Available Properties
Density, ISO 787-11, Tamped Particle Size, ISO 787-18, <0.1% sieve residue 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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