Viton : Trademark name for a series of flouroelastomers based on the copolymer of vinylidene fluoride and hexaflouropropylene. A common elastomeric with fair to good chemical holdout
DuPont (The Miracles of Science), Literature & Technical Information, Industrial Personal Protection Glossary, Wilmington, DE, USA 2010http://www2.dupont.com/Personal_Protection/en_ HK/tech_info/glossary_industrial.html, (IndPP - Amer) {49}