12 Pack Ultra Copper Maximum Temperature RTV Silicone Gasket Maker 3 Oz Tube The Go To High Temp Auto Sealant With Superior Oil Resistance Sensor Safe Low Odor Flexible Up To 700F

12-Pack High-Temp Copper RTV Gasket Sealant 3oz
✔️ Oil-resistant RTV, sensor-safe, 700°F intermittent range

This 3 oz tube of high-temp RTV silicone gasket maker is designed for automotive joints exposed to heat, oil, and vibration. It’s a go-to choice for sealing exhaust components and engine covers where oil resistance and reliable adhesion matter most.

✅ Sensor-safe, low odor, noncorrosive
✅ Three times stronger oil resistance than standard silicones
✅ Eight times more flexible than cut gaskets
✅ Temperature range -75°F to 700°F intermittent; resists fluids and vibration
✅ OEM-specified high-temp gasket sealant for engines and exhausts

💡 What is a high temperature gasket sealant used for in automotive engines, and why choose copper RTV?

It creates a reliable, heat resistant seal for engine joints exposed to exhaust and fluids.

- High-temperature resistance up to 700°F intermittent - Superior oil resistance and strong adhesion - Sensor-safe, low odor, noncorrosive chemistry - OEM-grade formulation for exhaust, valve covers, oil pans