Craftech Industries® Top Elastomeric Materials Guide Craftech Industries®, 2014 8 Dock Street, Hudson, NY 12534 Website: www.craftechind.com Blog: info.craftechind.com/blog E-mail:
[email protected] Phone: 518-828-5001 or 800-833-5130 Fax: 518-828-9468 Craftech Industries® Top Elastomeric Materials Guide 4 Elastomer Material Descriptions 6 Elastomer Mechanical Properties 7 Elastomer Chemical Resistance Data Elastomer Material Descriptions ELASTOMER TYPE DESCRIPTION STRENGTH(S) LIMITATION(S) VITON® A fluoroelastomer utilized when Performs well in high Relatively high cost both high temperature and temperatures and in the material with limited chemical resistance are required. presence of acids when the hardness range. Poor proper grade is selected. resistance to ketones, Very good weathering and low molecular weight ozone resistant properties. esters, alcohols and nitro- containing compounds. SILICONE Used in applications where Excellent high temperature Poor resistance to solvents, high temperature performance resistance. Excellent oils, concentrated acids, is required. Due to its purity weather, UV, and ozone and steam. Tensile strength when processed, Silicone is often resistance. and tear resistance are both used in food processing and poor. pharmaceutical fields. Used for industrial applications because of its long service life. BUNA-N Used in applications where Very good resistance to oils, Poor resistance to UV, gasoline, oil, and greases may solvents, and fuels. ozone and weathering. be present. This material is also Does not perform well with known under other generic names ketones and chlorinated such as Nitrile, Buna or NBR. hydrocarbons. EPDM An elastomer that is a popular Very good resistance to Poor resistance to oils (ethylene propylene choice for outdoor applications ozone, UV, and sunlight.