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3M AC-350 Class B-4 Aerospace Sealant is a fast cure, intermediate density polysulfide sealant suitable for fuel tank and fuselage applications.

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3M AC-350 B-4 Aerospace Sealant 4.5oz Kit

Silmid P/N: P1400449
No Stock - Standard lead time 59 business days
Please order in multiples of 24

3M AC-350 Class B-4 Aerospace Sealant is a fast cure, intermediate density polysulfide sealant suitable for fuel tank and fuselage applications.

Technical Information

  • UN Number 3082 CL9
  • Commodity Code 32141010
  • Country of Origin United States

END USER STATEMENT: This product requires an end user statement to be completed prior to sale. You will be contacted by our Customer Services Team once your order has been placed.

Data Sheets

Download the 3M AC-350 B -4 technical data sheet (TDS) and the 3M AC-350 B -4 safety data sheet (SDS) from Silmid today. Once you have logged in or signed up, the datasheet will be visible for download if one is available.

Product Properties

Pack Size
4.5oz Kit
Product Colour
Off-White | Dark Brown
Brand
3M
Manufacturer Name
3M PLC
Sealant Class
Class B
Application Time
4 Hours

Product Information

This two-component, manganese dioxide cured sealant is solvent free and has outstanding resistance to aviation gasoline and jet fuel, as well as resistance to chemicals and petroleum products common to the aircraft industry. It maintains flexibility and bond strength on most metal substrates such as; aluminium, titanium, steel, stainless steel, glass, 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 exhibits superb tooling properties.

Applications:

  • Sealing integral fuel tanks
  • Repairing integral fuel tanks
  • Sealing fuselages

Additional Content

3M Brochures
3M Brochures
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Shop All 3M Products

Shipping information

UK Delivery Options 

Standard UK Delivery   

£12:00 (excl. VAT) Free Delivery on online orders over £100. 

Orders usually delivered 24-48 subject to stock availability.

Proforma orders require cleared funds before shipment. Please allow 1 working day for fund allocation.

UK Priority Next Day Services  

UK Next Day Delivery: £19.00 (excl. VAT)
Express Pre 10am Delivery: £30.00 (excl. VAT)

Orders placed before 3:00 pm qualify for next day delivery.

Service available to eligible postcodes. If unavailable, your postcode is not covered. FedEx does not guarantee timed deliveries.

Priority Same Day Service

£250 (excl. VAT)

Orders placed online between 8:00am - 11:00am by UK business customers are eligible for Priority Same Day Service. We cannot guarantee Same Day Delivery for orders placed after 11:00am.

Additional Costs: £150 (excl. VAT) for Dangerous Goods Declaration if required.

Click and Collect

£0.00 (excl. VAT)

Your order will not be immediately available, you will receive an email confirming when your order is ready for collection. You must bring your order confirmation with the Sales Order Number.

Trade Counter is open weekdays from 8:30 am to 4:30 pm, located at the front of our distribution centre.

Same-Day Collection available for orders placed before 3:00 pm.

Orders not collected within 7 working days will incur a 25% restocking fee. For international orders, this period is extended to 14 working days.

Additional Delivery Options

Additional delivery options are available subject to product selection at checkout.

Export Delivery Options

Export delivery options are available subject to items in basket and delivery destinations, prices are calculated at checkout.

Door to Door

The freight zone is based upon the Fedex International Priority zones, used to calculate the shipping rate according to the destination country. Goods will be delivered at place as defined by INCOTERMS 2020.

FCA

Additional packing costs may apply if goods are to be shipped by Air Freight. They will be handed to the chosen carrier with the required paperwork according to the free carrier terms as set out in INCOTERMS 2020. Please note that you agree to pay the applicable carrier charges by agreeing to this delivery option.

Please refer to our delivery page for more information.