Let Rainbow Rubber Extrusions meet your Viton™ Extrusion needs and answer your custom extrusion questions. The following links are not affiliated with Rainbow Rubber Extrusions and are included as a courtesy. Viton and Other Resources Thermodyn is a manufacturer of specialty high-temperature chemical resistant gasket and expansion joint materials. Find the official Chemours™ Viton™ Fluoroelastomer page here. The official Chemours chemical resistance guide – a product selection tool to help you choose the best elastomer for your application. The official Viton™ brochure in PDF, downloadable format. The official Viton™ Handling Precautions brochure in PDF, downloadable format. The official Viton™ GF-600 Provides FDA Repeat Use Food Contact Compliance” brochure in PDF, downloadable format. The official Viton™ Selection Guide in PDF, downloadable format. UPS.com, the preferred worldwide carrier of Rainbow Rubber Extrusions. Here is our helpful tolerance chart RMA E2 Tolerances.