Because it is used below its glass transition temperature (80°C), PVC can be considered as a functional barrier preventing any low molecular weight substances to migrate to drinking water. Migration tests have demonstrated migration levels far below the detection limit of the most modern analytical techniques. Read more in PVC4Pipes peer-reviewed article.
Through the VinylPlus® framework, the European PVC and piping industry has made a targeted effort to substitute unwanted substances. As a result, replacement of lead-based stabilisers in virgin PVC compounds was completed in 2015.
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