Momentive announces clear LSR products

ERJ staff report (DS)

Albany, New York -- Momentive Performance Materials has introduced a family of highly transparent liquid silicone rubbers (LSR) under the name, its LSR7000. Combining typically 98 percent transparency with the unique processing and productivity advantages of an addition-cured, platinum-catalyzed LSR, Momentive says the LSR7000 series is an excellent candidate to consider for outstanding optical characteristics and increased design flexibility. These features potentially enable customers to reduce manufacturing and assembly cycle times for complex parts.

The company will be showcasing the LSR7000 series at the Fakuma 2008 trade fair in Friedrichshafen, Germany, in October.8

The LSR 7000 family includes products ranging in 60 to 80 Shore A hardness. Recent innovation in optical systems, light-guide applications and mobile phones have increasingly seen liquid silicone rubbers replace materials such as transparent polycarbonate and polymethyl methacrylate (PMMA) in new applications, due to the unique processing and productivity advantages of LSR

In China, Momentive has cooperated with Sunrex, a leading input device manufacturer, to apply the LSR7000 series to light guide film for commercial production. “By combining our proprietary technology with the super transparency of LSR7000, we have been able to successfully develop silicone light guide film for use in new mobile equipment,” said Liu Dianshan, director of the Sunrex facility in Suzhou. “We are now cooperating on a long-term basis with Momentive to develop new, flexible applications for smart 3D light guide film.

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Press release from Momentive