The McCormick 3545546M1 is a genuine Loctite 574 Flange Sealant, supplied in a 50ml tube. This high-performance sealant is specifically designed for sealing rigid metal flanges, including cast iron, steel, and aluminum, where close-fitting gaps are present. It provides excellent resistance to oil, water, and other chemicals, ensuring a reliable and durable seal for various agricultural and industrial machinery applications. This anaerobic sealant cures in the absence of air when confined between close-fitting metal surfaces.