摘要
SBR In the first half of September 2008,because the demand for SBR(styrene-butadiene rubber) in downstream sectors was soft and the inventory in SBR producers was at a high level,the SBR producers considerably low-ered the ex-factory prices,China’s price of SBR therefore was down drastically.In the second half of September,the SBR unit in CNPC Lanzhou Petrochemical Co.,