SAN ANTONIO (ICIS)--Signs of lengthening supply of US diaphragm-grade liquid caustic are beginning to show, a buyers said on Sunday on the sidelines of this year's International Petrochemical Conference (IPC). Caustic soda buyers have been asked to take contracted volumes earlier than the agreedupon delivery dates in at least a couple of occasions, indicating that storage space for the displaced product is running short. The producer was seeking delivery two to three weeks early than planned.
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