LONDON (ICIS)--LyondellBasell has declared force majeure on European butadiene (BD) supplies and placed customers on allocation, market sources said on Friday.
One customer said that LyondellBasell placed it under a 90% volume allocation at the end of January.
The reason for the force majeure is unknown.
A LyondellBasell spokesman said on Friday the company does not comment on communications with customers or day-to-day plant operations.
The producer operates a 238,000 tonne/year BD unit at Wesseling, Germany, and an 80,000 tonne/year plant in Berre, France, according to ICIS data.