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3M AC-275 B-6 Aerospace Sealant 3.5oz Kit

3M AC-275 B-6 Aerospace Sealant 3.5oz Kit
3M™ Aerospace Sealant AC-275 is a high temperature, polysulfide, fuel tank and fuselage sealant.
Please order in multiples of 24

3M™ Aerospace Sealant AC-275 Class B is a high temperature resistant polysulfide sealant suitable for fuel tank and fuselage sealing and repairs. These two-component, manganese dioxide cured sealants have outstanding resistance to aviation gasoline and jet fuel, as well as resistance to chemicals and petroleum products commonly used in the aircraft industry. 3M™ AC-275 Class B Sealants maintain flexibility and bond strength on most metal substrates like aluminium, stainless steel, steel, and many coatings under extremes of temperature, weathering and stress. The mixed compound is a thixotropic paste easily applied by extrusion, injection gun or spatula and has excellent tooling properties.


  • High temperature resistant
  • Non Chromate
  • Easy to tool
  • Standard density

Orders over £50 placed online will now qualify for FREE UK Mainland delivery*

Orders under £50 placed online for UK Mainland delivery is £6.95*

Orders requiring Pre 10.00am Next Day delivery has also been lowered from £35.00 to £19.50** 

International delivery (door to door delivery) is available for selected countries worldwide. Shipping will be automatically calculated based on the weight, location and hazardous nature of the goods. Customers can also choose ex works to arrange their own collection.
Please refer to our delivery page for more information.