North American prices for PVC and polystyrene have increased since March 1, marking the second consecutive monthly price for those materials. PVC climbed by an average of 2 cents per pound and PS was ...

North American prices for PVC and polystyrene resins both have increased since Feb. 1. Prices for all grades of PVC — including both suspension and dispersion resins — are up an average of 3 cents per ...

Aug 26 (Reuters) - An electrical contractor has filed an antitrust lawsuit in U.S. court accusing Westlake, Atkore and other major PVC pipe manufacturers of conspiring to overcharge municipal and ...

The US Department of Justice has started a probe of possible price-fixing in the PVC pipe market, according to media reports. Otter Tail said an antitrust violation finding “could have a material ...

KAMLOOPS, British Columbia (CN) — A Canadian municipality is leading a price-fixing class action claiming suppliers of PVC pipes conspired to artificially inflate the price of the pipes following ...