Permatex Optimum RTV Silicone Gasket Maker - Black

Permatex Optimum RTV Silicone Gasket Maker - Black

A high-performance, sensor-safe sealant designed for automotive and powersports applications. It offers maximum flexibility and oil resistance, making it ideal for sealing engine components, housings, and other critical parts while ensuring easy disassembly for maintenance.

Stronger and more flexible than traditional gasket makers 415% stronger and 60% more flexible than Ultra Black—this RTV silicone resists automotive and shop fluids, heat, and vibration. Low-odor and non-corrosive, it delivers professional-grade, long-lasting seals that maintain durability under demanding conditions.

Key Features:

• Easy disassembly for maintenance and repairs
• Maximum flexibility and oil resistance
• Sensor-safe, low odor, and non-corrosive
• 415% stronger and 60% more flexible than Ultra Black
• Resistant to automotive and shop fluids, heat, and vibration
• Ideal for engines, housings, and critical high-stress applications