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Description
Permatex Ultra Copper Maximum Temperature RTV Silicone Gasket Maker 3.5 oz (81878) is designed for high-performance engines. This high-temp RTV silicone can withstand temperatures from -75°F to 700°F (-59°C to 371°C) intermittent, making it ideal for demanding automotive applications.
This ultra copper gasket maker is sensor-safe, low odor, and noncorrosive. It offers superior adhesion and is three times more oil resistant than conventional silicones and eight times more flexible than cut gaskets.
- Specifications and Dimensions
- Item Weight: 3.5 ounces
- Temperature Range: -75°F to 700°F (-59°C to 371°C) intermittent
- OEM specified
- High temp RTV silicone
- Three times more oil resistant than conventional silicones
- Eight times more flexible than cut gaskets
- Key Features and Benefits
- Sensor-safe, low odor, noncorrosive
- Superior adhesion
- Resists auto and shop fluids and vibration
- Ideal for high-performance and turbocharged engines
- Reliable sealing and superior durability
- Directions
- 1. For best results, clean and dry all surfaces with a residue-free solvent, such as Permatex® Brake & Parts Cleaner.
- 2. Cut nozzle to desired bead size; gaskets are best formed using a 1/16″ to 1/4″ bead.
- 3. Apply a continuous and even bead of silicone to one surface, surrounding all bolt holes. Remove excess with a knife at once. Assemble parts immediately. Do not squeeze out silicone by over-tightening bolts. Re-torque will not be necessary.
- 4. Silicone dries in 1 hour and fully cures in 24 hours at 70°F (21°C) – 50% relative humidity. Allow more time in cold weather.
- 5. Replace cap after use. Clean hands with a dry cloth or Permatex® Fast Orange® Hand Cleaner. Clean tools with non-flammable cleaning fluid.
- NOTE: Not recommended for use on head gaskets or parts in contact with gasoline.
Currently, this item can only be shipped within the continental United States
- Specifications and Dimensions
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