Polyethylene raised temperature-type materials have been used successfully in domestic hot and cold water piping systems for more than 20 years, and in application areas such as radiant underfloor heating and radiator connections, states a Dow Chemical report.
The U.S. International Trade Commission recently determined there is a reasonable indication that a U.S. industry is materially injured by reason of imports of finished carbon-steel flanges from India, Italy and Spain.