Parker Hannifin Corp.’s Seal Group of Irvine, Calif., has released a new technical bulletin containing information on its Parofluor ULTRA™ series of perfluorinated elastometer sealing materials. The bulletin, entitled “Parafluor ULTRA Series Perfluorinated Elastometers,” outlines available compounds and clearly illustrates their compression set, chemical and temperature resistance through the use of convenient, easy-to-read charts and tables.