RTV Red is ideal for use wherever a strong, permanently elastic weatherproof adhesive, sealant, or caulk is needed. Temperature range is from -60ºF to 650ºF. Compatible with engine oil, transmission fluid, and antifreeze. This product has excellent adhesion characteristics, high chemical resistance, and will not sag or shrink due to severe temperature extremes. Use for sealing cracks in machinery, heating and ventilating ductwork, plumbing fixtures, electrical connections, low-pressure water, and drainpipes. Bonds nameplates, machinery flanges, glass, signs and electrical insulation, etc. Ideal for caulking windows, doors, walls, ceiling cracks, and crevices. Forms in place gaskets.