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3M AC-250 B-1/6 Aerospace Sealant 1USQ Kit

3M AC-250 B-1/6 Aerospace Sealant 1USQ Kit
3Mâ„¢ Aerospace Sealant AC-250 is a two-part, polysulfide, quick repair sealant for integral fuel tank and fuselage sealing applications.
Please order in multiples of 9
UN Number: UN3082 CL9 III
Limited Quantity: 5L

The mixed compound is a thixotropic paste and can be readily applied with a spatula or extrusion gun. It will cure to a fuel-resistant rubber at temperatures above 20°F. 3M™ AC-250 B-1/6 exhibits excellent tooling properties.


  • Quick repair sealant for integral fuel tanks
  • Quick repair of fuselage structure

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.