Suppliers of tinplate screw caps working to develop PVC-free rubber coatings, but change will result in additional costs; Switzerland cantonal lab has long scrutinized the issue of the caps containing PVC, calling for stricter legal limitations

LOS ANGELES , July 2, 2014 () – Industry sources say it may finally be possible to develop tinplate screw caps with rubber coatings free of polyvinyl chloride (PVC), but that will come with some additional costs, Euwid Packaging reported June 30.

Since 2004, Zurich, Switzerland-based cantonal laboratory KLZ has long been pushing for more strict legal limits on migration of plasticizers from lid gaskets in glass jars, criticizing suppliers of the screw caps for having rubber lid gaskets with PVC, according to Euwid Packaging.

The primary source of this article is Euwid Packaging, Gernsbach, Germany, on June 30, 2014. Click here to read the primary source's full version of the article.

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