The world chlor alkali industry has been in existence for 100 years.The demand for caustic soda and chlorinated derivatives is linked with the economic development of a country and the demand increases as countries develop economically.This need not be a straight line relationship,because some coun-tries are exporting a large propor-tion of downstream products,while others are importing these.The most important of these global trades is in caustic soda,EDC,VCM and PVC.
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