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HomeShop SuppliesAdhesives, Tapes, & SealantsSealantsCorrosion Inhibitive Sealant3M Aerospace AC-665 C-48 Chromated Corrosion Inhibitive Sealant - 6 oz Kit
3M Aerospace AC-665 C-48 Chromated Corrosion Inhibitive Sealant - 6 oz Kit
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3M Aerospace AC-665 C-48 Chromated Corrosion Inhibitive Sealant - 6 oz Kit

Part#: AC665C48-60Z
Our Price: $50.90
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Material Safety Information
Code: UN1866 | Class: 3 | Group: III - Details
Material Safety Data Sheet: MSDS1
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Your aircraft will be effectively protected from corrosion and rust when you use 3M Aerospace AC-665 C-48 chromated corrosion inhibitive sealant from SkyGeek. This two-part corrosion inhibitive sealant is manganese cured and made to provide a lasting seal against harsh chemicals. It protects aerospace equipment from common corrosive substances, such as petroleum products, jet fuel, aviation gasoline, chemicals and hydraulic fluids. Mix the two parts of the compound together to get a flowable and faying surface-grade material. Because of its viscosity, the sealant can be applied using a brush, spatula, extrusion gun or roller. When exposed to extreme temperatures, weathering and stress, AC-665 maintains its flexibility and bond strength with most metal substrates. This sealant works well to protect aluminum alloys and dissimilar metals.

  • Corrosion inhibitive sealant in two parts
  • Manganese-cured and chromated
  • Effectively protects aluminum and dissimilar metals from common causes of corrosion
  • Outstanding resistance to jet fuel, aviation gasoline, petroleum products, chemicals and hydraulic fluids
  • Flowable and faying surface-grade mixed compound
  • Easy application with brush, spatula, extrusion gun or roller
  • Keeps flexibility and bond strength through extreme temperatures, weathering and stress
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3M Aerospace AC-665 C-48 Chromated Corrosion Inhibitive Sealant - 6 oz Kit
Mixing Instructions

Two Part Sealant: 1. Holding the cartridge, grasp the dasher rod and pull back approximately one inch.

2. Insert the ramrod into the hollow of the dasher rod, break the piston loose, and inject about 1/3 of the contents into the cartridge.

Note: Do not inject all of the catalyst in one location. Distribute evenly throughout base material.

3. Repeat steps 2 and 3 until all the contents of the rod are emptied into the cartridge. Remove the ramrod.

4. Mix for the required number of strokes (hand mixing) or for the required amount of time (machine mixing) indicated in the kit intructions.

5. When mixing is complete, remove bottom cap.

6. Pull the dasher rod back to the neck of the cartridge, grasp the cartridge firmly at the neck, unscrew the dasher rod and remove.

7. Screw the nozzle into the cartridge, insert into the extrusion gun and use as required. For hand extrusion, press the used dasher rod against the plunger to force the material from the cartridge.


The shelf life of AC-665 Class C is 9 months from date of packaging, when stored at temperatures below 80 degrees F in its original container.

Mixed AC-665 Class C may be stored under refrigeration as follows: 15 days at -10 degrees F, 30 days at -40 degrees F. It is important to remember that freezing, storing and thawing procedures reduce application life. Also, frozen storage will reduce application life by varying amounts depending on the storage temperature and length of storage time. All aspects of storage, freezing and thawing should be planned carefully and it is not recommended to mix and freeze with less than 1/2 hour application time.

Health and Safety Precautions

AC-665 Class C sealant is safe to use and apply when recommended precautions are followed. Before using this product, read and understand the Material Safety Data Sheet (MSDS), which provides information on health, physical and environmental hazards, handling precautions and first aid recommendations. An MSDS is available upon request. Avoid overexposure. Obtain medical care in case of extreme overexposure.

Product Details
UOM : Cartridge
Size : 6 oz
Shipping Weight : 0.5 pounds
Manufacturer P/N : 051141-58177
Schedule B Code : 3214.10.0010
Disclaimer: While reasonable efforts have been made to ensure all information on this website is accurate, and Styles Logistics, Inc. do not assume responsibility for any errors or omissions. All specifications, illustrations, data and prices are subject to change without notice.
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