There are links to two different guides below.  The first is CTG's            downloadable guide in .pdf format.  It includes information on                 plastics, elastomers, metals, and ceramic.  It is a large file,                     so it will take a few moments to download.  The second                        link is to what we believe is the best elastomer chemical                          resistance guide on the web.  It is provided by Dupont                            Dow Elastomers.  You will need to register to gain                              access to the guide.

Chemical Resistance Guides

CTG Chemical Resistance Guide

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CNC Machining

Specialty Cut Gaskets

Rubber Molding

PTFE Processing