POLYMER PRICE FORECASTS  Naphtha weakness amplifies correction — By Plasteurope.com staff — We expect a more pronounced correction in July than previously anticipated, with the noticeable easing on the raw materia... Published on 15.06.2026 The page you requested is for PIE subscribers only. Plasteurope contains premium content of the information portal PIE-Plastics Information Europe (www.pieweb.com). To continue reading, you must be a PIE subscriber.