US Part Number: 80057
Canada Part Number: N/A

Permatex® Super “300” Form-A-Gasket® Sealant


Non-hardening sealant designed to resist heat transfer fluids such as oil or antifreeze. Temperature range -65°F to 400°F (-54°C to 204°C); resists antifreeze, aviation fuels, aggressive detergent bearing oils and lubricants.



Suggested Applications: Valve cover gaskets, compressors, and diesel applications.

US Item #CDN Item #Container SizeCase
80057N/A4 oz. bottle12
US Item #Tech Doc File
80057TDS  SDS  


Clean and dry surfaces to be sealed with Permatex® Parts & Brake Cleaner for best results. Apply athin layer of Super “300”® Form-A-Gasket® Sealant to the surfaces, then assemble. Keep can closed when not in use.

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Tech Documents

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