ETHYLENE MARGINS LIKELY TO STAGNATE, SAYS WRIGHT KILLEN

Recovery of ethylene cracking margins on the U.S. Gulf Coast isn't likely before 1994, Wright Killen & Co. predicts. Lingering U.S. economic weakness and surplus capacity resulting from start-up of two Gulf Coast ethylene plants will keep downward pressure on prices through this year, the Houston firm says. Through 1991, ethylene margins decreased sharply for all three primary feedstocks. Wright Killen says the steep declines began because of quick resolution of the Persian Gulf war.

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