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Permatex Ultra Blue RTV Silicone Gasket Maker 3.35 oz

$7.84

In stock

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The Permatex Ultra Blue RTV Silicone Gasket Maker is a dependable, all-purpose sealing solution that serves as a versatile tool for various automotive and household repairs. You will find that this formula is specifically engineered to provide superior adhesion to oily surfaces, making it a reliable choice when you are sealing valve covers, oil pans, or water pumps. It feels flexible and tough once cured, allowing it to handle the constant vibration and thermal cycling of an active engine without cracking or shrinking. Because it is sensor-safe and non-corrosive, you can use it with confidence on modern vehicles without worrying about damaging sensitive electronic components or oxygen sensors.

Key Features of Permatex Ultra Blue RTV Silicone Gasket Maker

Multi-purpose formula works effectively on both rigid and flexible flanges
High flexibility allows the gasket to stretch up to eight times its original length
Superior oil resistance outperforms conventional silicones for longer-lasting seals
Sensor-safe properties ensure no interference with oxygen sensors or engine computers
Wide temperature range handles intermittent heat from -65 to 500 degrees Fahrenheit
Non-corrosive chemistry protects aluminum and other electronic engine parts
Effective gap-filling ability seals imperfections up to one-quarter inch deep
Low-odor application provides a more pleasant experience in confined workspaces

Additional Information

Brand: Permatex
Product Type: RTV Silicone Gasket Maker
Model:
Product Use: Creating or dressing gaskets for valve covers and water pumps
Size: 3.35 oz
Material: Oxime silicone rubber
Height:
Length:
Width:

For a professional-grade seal, always clean both mating surfaces with a residue-free solvent like brake cleaner before applying the bead. You should apply a continuous 1/16-inch to 1/8-inch bead to one surface, making sure to circle all bolt holes completely to prevent leak paths. While some users rush the process, the most reliable method involves tightening the bolts to finger-tight only until the silicone just begins to squeeze out, then waiting one hour before performing the final torque. This allows the material to partially set and create a custom-fitted gasket that won’t simply squeeze out of the joint when fully tightened.

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