By Patrick Raleigh, ERJ On-line news editor
London-Kraton Polymers is increasing its prices for clear and oil-extended styrene butadiene block copolymers in Europe by Euro150/tonne from 1 Oct. “Unprecedented increases in feedstock costs driven by high oil and naphtha prices continue to force up our costs,†said Roger Morgan, Kraton's vice president EurAsia. “We must reflect the succession of feedstock cost changes by increasing prices of Kraton D polymer, he added in a 20 Sept statement.