Evinrude/Johnson Rubber Silicone RTV Sealant
Loctite RTV sealant
- High Performance RTV Silicone Gasket Maker
- Retains flexibility and oil resistance for longer gasket life
- Makes reliable “formed-in-place” gaskets that resist shrinking, cracking, and migrating
- Low odor, non-corrosive
- Resistant to most chemicals and solvents
- Fills gaps to 0.25"
All 3 have very identical properties and applications, We primarily use is the 598 Black but all will provide the same performance. This product is used, for example, on cylinder head water passages where O-rings seal the heads vs conventional head gaskets.