| DESCRIPTION | Precipitated silica for use as a reinforcement filler in the rubber industry. Ultrasil 7000 GR comes in granule form (mechanical compacting). Granulation means less dust build-up during processing as well as a higher compression density versus powdered forms. - Ultrasil 7000 GR displays excellent dispersion characteristics and its high reinforcement effect makes it an optimum choice for passenger vehicle treads. While reducing roll resistance, Ultrasil 7000 GR also improves abrasion resistance and grip under wet conditions. Maximizing these properties requires combining Ultrasil 7000 GR with bifunctional organosilanes such as Si 69 or VP Si 75. In addition, adding di-ethylene glycol, tri-ethanolamine or base accelerators will further ensure rubber properties are achieved and maintained. This product meets the toughest requirements placed on a reinforcement filler. |
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