Permatex 81878 Ultra Copper Maximum Temperature RTV Silicone Gasket Maker Review

The Permatex 81878 Ultra Copper Maximum Temperature RTV Silicone Gasket Maker is the most advanced and high-temp silicone gasket available on the market. It is three times more oil resistant than conventional silicones and eight times more flexible than cut gaskets. With its sensor-safe, low odor, and non-corrosive formula, it provides a strong and durable seal that can withstand temperatures ranging from -75F to 700F. Whether you're working on automotive projects or other high-temperature applications, this gasket maker is designed to meet your needs. With its superior bond on oil contaminated metals and outstanding oil resistance, it is a reliable solution for sealing leaks and preventing future ones. However, it is important to note that the Permatex 81878 Ultra Copper Gasket Maker is not recommended for use with paper or rubber gaskets and is not suitable for high-pressure applications.

Our Analysis and Key Insights

Now, let's dive into our analysis and key insights on the Permatex 81878 Ultra Copper Maximum Temperature RTV Silicone Gasket Maker:

Great product for sealing leaks

According to customer feedback, the Permatex 81878 Ultra Copper Gasket Maker is highly effective in sealing leaks. One customer shared that they used this gasket maker to seal up the leaking areas of their offset smoker, and it performed admirably without much shrinking. The customer mentioned that they applied a generous amount of the gasket maker to account for any potential shrinkage.

Easy to apply and effective

Customers have found the Permatex 81878 Ultra Copper Gasket Maker to be easy to apply and highly effective. It goes on smoothly and does the job it's intended for, providing a reliable and durable seal.

Provides a strong and durable seal

One customer shared their experience of using the Permatex 81878 Ultra Copper Gasket Maker as a double-safety net for their new headers. They applied a thin layer of the gasket maker on both sides of the gasket, ensuring a tight and secure seal. The customer mentioned that while the gaskets themselves work well, the gasket maker adds an extra layer of protection against any potential leaks.

Works well on high-temperature applications

Customers have reported positive experiences using the Permatex 81878 Ultra Copper Gasket Maker in high-temperature applications. One customer mentioned that they used this gasket maker as a gasket itself, without any paper or rubber gasket. They were pleased to find that it did not cause any drips, runs, or leaks. However, it is important to note that this is not a manufacturer-recommended use, and any modifications should be done at your own discretion.

Saves money on costly repairs

A customer shared their experience of using the Permatex 81878 Ultra Copper Gasket Maker to save money on a costly repair. They had an oil gasket that was going to require opening the engine and replacing the seal from the inside, which would have cost them significantly. Instead, they decided to try using the gasket maker to seal the gasket by grinding off the lip and applying the gasket maker. This alternative method saved them a substantial amount of money, highlighting the cost-saving potential of this product.

Works well for 3D printer projects

Customers have found the Permatex 81878 Ultra Copper Gasket Maker to work well for 3D printer projects. One customer shared their first experience of making something out of silicone themselves using this gasket maker. They found it easy to apply, and it fully cured within 24 hours. The customer achieved the best results by applying dish soap around the mold using a paintbrush. This versatile gasket maker can be used for various DIY projects.

Frequently Asked Questions

Is the Permatex 81878 Ultra Copper Gasket Maker suitable for high-temperature applications?

Yes, the Permatex 81878 Ultra Copper Gasket Maker is specifically designed for high-temperature applications with a temperature range of -75F to 700F intermittent.

Can I use the Permatex 81878 Ultra Copper Gasket Maker on painted surfaces?

Yes, the Permatex 81878 Ultra Copper Gasket Maker is safe to use on painted surfaces.

Is the Permatex 81878 Ultra Copper Gasket Maker waterproof?

Yes, the Permatex 81878 Ultra Copper Gasket Maker has a high level of water resistance and is waterproof.

What is the shelf life of the Permatex 81878 Ultra Copper Gasket Maker?

The shelf life of the Permatex 81878 Ultra Copper Gasket Maker is approximately 12 months from the date of manufacture.

Can I use the Permatex 81878 Ultra Copper Gasket Maker to seal leaks in my motorcycle engine?

The Permatex 81878 Ultra Copper Gasket Maker is not recommended for high-pressure applications. It is best suited for sealing leaks in low-pressure areas.

Overall, the Permatex 81878 Ultra Copper Maximum Temperature RTV Silicone Gasket Maker is an excellent choice for anyone in need of a high-temperature gasket maker. Its superior adhesion, oil resistance, and flexibility make it a reliable option for a wide range of applications.