Free Report Details Chemical Resistance of Plastic Pipes

PlasticsToday Staff | Aug 02, 2021

The Plastics Pipe Institute Inc. (PPI), the North American association representing the plastic pipe industry, is making available a technical report that details the chemical resistance capabilities of pipes made from various thermoplastic, thermoset, and composite (multi-layered) plastic materials. “Chemical Resistance of Plastic Piping Materials, TR-19” is available free of charge on the PPI website.

“Plastic pipe and fitting materials are generally resistant to attack from many chemicals,” said David Fink, President of PPI. “This inherent property makes them suitable for use in numerous fluid and gas conveyance applications. There are, however, certain chemicals that may damage plastic pipes, either through exposure on the outside of the pipe to chemicals, on the internal surface of the pipe during the transportation of such chemicals, or with exposure to inert fluids containing chemicals in various concentrations. The suitability of a pipe or fitting system for use in a particular fluid or gas application is a function of several factors, which are detailed in TR-19,” said Fink.

The free report contains sections on pipe and fitting materials, product design and joining systems, operating conditions, types of chemical attacks on plastics, and more. It applies to pipe and fitting materials such as CPVC, HDPE, PA, PE-RT, PP-R, PP-RCT, PVC, and PEX. The main table lists the chemical resistance of those plastics to some 600 chemicals, from acetaldehyde to zinc sulfate in various concentration levels.

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