Flexible sealing and oil resistance define Loctite 5910, Flange Sealant, RTV Silicone, 300 ml, designed for sealing flexible metal and plastic flanges in low-pressure environments. Its black, non-corrosive RTV silicone formula cures at room temperature to form a durable, elastic seal that withstands vibration, thermal expansion, and exposure to oils and fluids. Ideal for sealing close-fitting flanges without a gasket, it provides superior adhesion and easy application from the cartridge. Resistant to aging and weathering, it ensures long-term sealing reliability. Perfect for marine engines, industrial assemblies, and metric fabrication, Loctite 5910 delivers consistent, leak-free performance in demanding conditions.