China Petrochemical Development Corp (CPDC) is using operating-rate discipline to control supply and therefore maintain margins in the face of soaring raw-material costs.The Taiwanese caprolactam and acrylo-nitrile producer is running its caprolactam capacity at an operating rate of only 90% and its acrylonitrile assets at 85% because of the surge in benzene,propylene,and ammonia costs.But CPDC is running its 150 000 tonne/year of acetic acid capacity flat out as a result of the very tight market that it expects to last for at least the rest of this year.
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