ROTTERDAM, Netherlands (Nov. 20)—Shell Chemicals Ltd. is planning to build a polymer polyol plant at Pernis, Netherlands, with an annual capacity of 50,000 metric tons per year. Scheduled for start-up in the second quarter of 2003, the factory will produce high solids styrene acrylonitrile polymer polyol and employ a proprietary stabilizer technology. SAN polymer polyols are used in the production of high hardness, low density flexible polyurethane foams for furniture and automotive manufacturers, Shell said. The unit will raise Shell's flexible polyols capacity to more than 400,000 tons per year, according to said Fran Keeth, executive vice president Shell Chemicals. The unit will be operated by Shell Nederland Chemie (SNC) B.V.