Press release

High Transparency, Shorter Production Times, and Lower Energy Costs

New SIPERNAT® grades for the silicone rubber industry: clear advantages and expansion of Evonik’s product line. 

SIPERNAT® specialty silica is made by Evonik Industries, an industrial group based in Essen, Germany. This product line includes precipitated silica, aluminum silicates, and calcium silicates, which are added as reinforcing filler to various silicone rubber products.

The product line has now been enlarged to include two new specialty silica: SIPERNAT® 288 and SIPERNAT® 268. They were specially developed for customers who manufacture highly transparent end products (e.g., keyboards for mobile telephones, computers, remote controls, etc.). Reduced yellowing and outstanding mechanical properties distinguish SIPERNAT® 288 and SIPERNAT® 268. Both products can be processed quickly and dispersed easily, which reduces production times and lowers energy costs. These new SIPERNAT® products are intended for use in high-temperature vulcanized silicone rubber, liquid silicone rubber, and two-component room-temperature vulcanized silicone rubber.


SIPERNAT® 288 and SIPERNAT® 268 are manufactured by Evonik Wellink Silica (EWS) in Nanping, China. For further information, visit www.sipernat.com.

Evonik Industries is the creative industrial group from Germany which operates in three business areas: Chemicals, Energy and Real Estate. Evonik is a global leader in specialty chemicals, an expert in power generation from hard coal and renewable energies, and one of the largest private residential real estate companies in Germany. Our strengths are creativity, specialization, continuous self-renewal, and reliability. Evonik is active in over 100 countries around the world. In its fiscal year 2009 about 39,000 employees generated sales of about €13.1 billion and an operating profit (EBITDA) of about €2 billion.

Evonik Industries has been producing specialty chemical products in China since the early 1990’s; with wide-ranging trading relations already in place prior to this. The Group now has a total of 20 companies and 16 production sites in the Greater China region. Evonik regards China as one of the driving forces of the global economy, and we consequently intend to increase our business in Greater China to around €2 billion in the medium term.

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Cathy Ho

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    In so far as forecasts or expectations are expressed in this press release or where our statements concern the future, these forecasts, expectations or statements may involve known or unknown risks and uncertainties. Actual results or developments may vary, depending on changes in the operating environment. Neither Evonik Industries AG nor its group companies assume an obligation to update the forecasts, expectations or statements contained in this release.