US exports of polypropylene, propylene copolymers and polyisobutylene were down 14% through July 2018, to 1.1 million tons, while imports jumped 36%, to 370,000 tons.
US exports of polypropylene, propylene copolymers and polyisobutylene were down 14% through July 2018, to 1.1 million tons, while imports jumped 36%, to 370,000 tons.