HELSINKI, Finland - Kemira Oyj and Rockwood Holdings Inc. have signed an agreement in which Rockwood will buy Kemira's share of the titanium dioxide joint venture Sachtleben GmbH in a deal worth EUR 97.5 million.

The joint venture, which was established in September 2008 by combining Kemira Oyj's and Rockwood Holdings Inc.'s TiO2 businesses, is a leading producer of specialty TiO2 pigments for the synthetic fiber, packaging inks, cosmetics, pharmaceutical and food industries.