The Permatex Ultra Series of RTV silicones was developed to meet or exceed OEM specs for warranty requirements. They’re sensor-safe, noncorrosive, and super resistant to automotive fluids.
Available in tubes, cartridges, and PowerBead™ cans, the Ultra Series includes five specialized formulas to cover standard applications as well as specialized applications for high-torque and vibration resistance, high temperatures, and synthetic and conventional oil resistance.

Permatex® Ultra Grey® RTV Gasket Maker
Rigid High-Torque RTV Silicone
82194
- For Rigid Torque and High Vibration Applications
- Ideal for Newer Domestic and Import Vehicles
- OEM Specified
- Sensor Safe

Permatex® Ultra Black® Gasket Maker
Maximum Oil Resistance RTV Silicone
22072
- For Heavy Duty Oil Applications
- Ideal for Maximum Gap Coverage
- OEM Specified
- Sensor Safe

Permatex® Ultra Copper® RTV Gasket Maker
Maximum Temperature RTV Silicone
81878
- For High Temperature and Performance Applications
- Ideal for Exhaust Gasket Repair
- OEM Specified
- Sensor Safe
View the entire Permatex® Ultra Copper® RTV Gasket Maker line

Permatex® Ultra Blue® RTV Gasket Maker
Multipurpose RTV Silicone
81724
- For Older Vehicle Applications
- OEM Specified
- Sensor Safe