Loctite 5920 Copper RTV Silicone Gasket Maker

Loctite RTV 5920 is a premium single-component, copper-colored silicone gasket maker specifically engineered for 4-cylinder, turbo-charged, and high-performance engines. This advanced sealant combines superior adhesion with exceptional oil resistance to deliver reliable sealing performance in demanding automotive applications.

Key Features

High Temperature Performance: Withstands temperatures from -75°F to 700°F (-59°C to 371°C) intermittent, with continuous operation up to 350°C (662°F)
Sensor-Safe Formula: Non-conductive and non-corrosive properties ensure compatibility with sensitive automotive sensors
Superior Flexibility: Remains permanently elastic and withstands high vibration levels
Low Odor & Low Volatility: Pleasant working characteristics with minimal fumes
Excellent Gap Filling: Suitable for flexible flanges and gaps up to 1mm (some formulations up to 6mm)
Room Temperature Curing: Moisture-curing technology becomes tack-free in 20-60 minutes, with full cure in 7 days

Technical Specifications

Volume: 80ml squeeze tube
Color: Copper
Chemistry: Single-component RTV (Room Temperature Vulcanizing) silicone
Cure Type: Moisture curing
Thixotropic: Yes - prevents migration after application

Performance Benefits

OEM-approved performance, tested and specified by leading automotive manufacturers
Outstanding resistance to automotive fluids and shop chemicals
Long-lasting durability with excellent vibration resistance
Easy dispensing with precise application control
Electrical insulating properties for sensitive electronic components