e-free™ 189 Silane
REDUCED COSTS, GREATLY REDUCED ETHANOL EMISSIONS
e-free 189 silane is the latest advancement in silanes for mineral coupling with all around excellence in performance and significant improvements in processing, while enabling the reduction of manufacturing costs. Used principally in the manufacture of industrial rubber, its physical properties can also enable increased abrasion resistance gains and outstanding reinforcement index. Even at reduced use levels, e-free 189 silane can typically allow easier mixing, faster processing time and quicker curing cycles—all of which can result in higher throughput. This silane can generally be mixed at elevated temperatures without an increase in viscosity or the risk of scorching.
Momentive Tire Application Lab
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Tire and Rubber Brochure
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As a mercapto-functional silane, e-free 189 silane can improve filler dispersion with increased silica/polymer coupling because of its ability to provide exceptional reinforcement index. The use of e-free 189 silane can virtually eliminate ethanol emissions- often more than 97 percent- that are released during the manufacturing process with traditional mercapto silanes. e-free 189 silane also typically offers:
- Long shelf life for uncured compounds which leads to less scrap due to over-aged green compounds.
- Improved modulus and tensile strength.
- Improved modulus and tensile strength.
- Excellent dispersion as well as low re-agglomeration.
- Improved filler dispersion with maximum silica/polymer coupling
*e-free is a trademark of Momentive Performance Materials Inc.
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