Permatex Blue Ultra RTV Silicone

Blue Ultra RTV from Permatex is the trusted go-to solution for high temperature gasket applications. The heat-resistant formula has a safe operating range from -65°F to 500°F. The sensor-safe formula meets or exceeds OEM specifications and outperforms most conventional silicones. 

Features: 

• Ultra Blue RTV silicone liquid gasket
• Temperature range -65°F to 500°F (-54°C to 260°C) (intermittent exposure)
• Multi-purpose sensor-safe, low-odor, non-corrosive
• Tested to OEM specifications and outperforms conventional silicones
• Will not contaminate oxygen sensors or corrode other electronic engine components
• Superior adhesion to oily surfaces with long term durability
• Eliminates the need for pre-formed, pre-cut, paper, rubber or cork gaskets