Review on 🔥 Permatex 81878-12PK Ultra Copper High Heat RTV Silicone Gasket Maker, 3 oz. (Pack of 12) by Roderick Horton

Name: 🔥 Permatex 81878-12PK Ultra Copper High Heat RTV Silicone Gasket Maker, 3 oz. (Pack of 12)
Item: 🔥 Permatex 81878-12PK Ultra Copper High Heat RTV Silicone Gasket Maker, 3 oz. (Pack of 12)
Rating: 1

May 09, 2023

Burns up with high temps

This product failed to meet my expectations as an automotive sealant. It claims to withstand high temperatures, yet it failed to do so in my car. The sealant broke down and actually caused damage to the area I applied it. The only positive was its ease of application. Unfortunately, that doesn't make up for its lack of performance. I would not recommend this product for any automotive use.

Pros

Can withstand high temperatures up to 650°F

Cons

Not suitable for low temperature applications

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