Momentive Introduces e-free* 189 Silane to Help Significantly Reduce Ethanol Emissions, Improve Mineral Coupling in Rubber Products

    Typically Delivers Overall Performance Equal to or Better Than
Traditional Silanes

    WILTON, CONN., October 4 /CNW/ - Momentive Performance Materials today
introduced e-free(*) 189 silane, a new coupling agent that has the potential to
enhance the manufacturing process for rubber goods by eliminating most ethanol
emissions and by reducing production costs. The new material offers excellent
overall performance, while typically improving processing characteristics such
as reduced viscosity and faster cure with adequate scorch protection.

    e-free 189 silane may replace traditional mercapto silanes because it
does not vulcanize prematurely, making it easier and potentially less costly
to use than traditional silanes. Rubber manufacturers may consider enhancing
the performance characteristics of the end product by using equivalent levels
of e-free 189 silane. Or, by using less e-free 189 silane, they may lower
overall compound cost and maintain existing physical properties.

    "As rubber goods manufacturers and their customers address their mutual
need to meet ever-more stringent environmental requirements and demands for
better product/value performance, we have responded with a significant advance
in the mineral coupling process," said Michael Stout, global marketing
manager, Momentive. "e-free 189 silane is a breakthrough material that may
take rubber manufacturing to a new level of efficiency, cost effectiveness and
environmental friendliness."

    e-free 189 silane may be an excellent candidate to consider for use in
the production of virtually any rubber product, including shoe sole compounds,
wire and cable products, belts, hoses, grommets, and flooring. It may replace
ordinary alkoxy silanes such as ethoxy and methoxy. More effective coupling,
higher modulus and tensile strength, and maximum abrasion resistance may be
achieved in the physical properties of rubber products created with e-free 189
silane. In testing a simplified shoe sole compound, e-free 189 silane
delivered a greater than 20 percent improvement in reinforcement as well as
excellent hardness and elongation.(1) e-free silane is available now in the
United States and will be rolled out globally in the next several months.

    To find out more about e-free 189 silane, please call 800.295.2392 in
North America (+607.786.8131 everywhere else) or visit

    About Momentive Performance Materials

    Momentive Performance Materials Inc. is a premier specialty materials
company, providing high-technology materials solutions to the silicones,
quartz and ceramics markets. The company, as a global leader with worldwide
operations, has a robust product portfolio, an enduring tradition of service
excellence, and industry-leading research and development capabilities.
Momentive Performance Materials Inc. is owned by an affiliate of Apollo
Management, L.P. Additional information is available at

    (1)Test results. Actual results may vary.

    (*)e-free is a trademark of Momentive Performance Materials Inc.

For further information:

For further information: Momentive Performance Materials Inc. Nancy
Pitts, 203-761-1938

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