Globally Recognized Standard for Jet Fuel Thermal Oxidation Testing PAC’s Alcor JFTOT® IV is the globally recognized standard for jet fuel thermal oxidation testing with a worldwide installed base of over 1,000 instruments. With JFTOT® IV, PAC brings an industry-leading product with enhanced safety features and simplified operational capabilities in a smaller, streamlined package that significantly increases operator productivity. With the Next Generation JFTOT® IV, PAC brings an industry-leading product and adds enhanced safety features and simplified operational capabilities in a smaller, streamlined package that significantly increases operator productivity.