Skip to main content

3M AC-137 Clear Adhesion Promoter 2oz Bottle

3M AC-137 Clear Adhesion Promoter 2oz Bottle
The 3M AC-137 Adhesion Promoter is used to promote adhesion of 3Mâ„¢ Polysulfide Sealant AC-251 Class B when used on polycarbonate, acrylic, glass, metal and/or solvent resistant coatings. Read more
$25.85 excl VAT
($25.85 Inc VAT)
No stock - lead time 94 days
Bulk discounts
$25.85 + VAT
$24.56 + VAT
$23.91 + VAT
$23.27 + VAT

Product Information

We formulated 3M™ Adhesion Promoter AC-137 to enhance adhesion of polysulfide sealants to windshields, canopies and windows without damaging vulnerable substrates. Available in clear or red, AC-137 contains mixed solvents blended with a surface activator agent that produces a robust adhesion promoter. Maximizing adhesion for aircraft sealants creates long-term benefits and extended service life.

Product Details:

  • Allows for faster initial adhesion build rate of polysulfide sealant used on windshields, canopies and windows
  • One component product for simple application
  • Formula prevents crazing on transparent surfaces


  • AC-137 Clear may be applied to solvent-cleaned surfaces with a clean brush or gauze
  • It contains mixed solvents blended with a surfactant, which produce an effective adhesion promoter

Specifications and Information

Technical Information

$25.85 excl VAT
($25.85 Inc VAT)
No stock - lead time 94 days
Product Code
Commodity Code
Country Of Origin
United States
UN Number
UN1170 CL3 II

Document Downloads

Sil-Mid Limited DO NOT GUARANTEE that the information in these documents is the most up to date information available from the manufacturer, there are times when updated information is released and we are not made aware immediately.

Delivery information

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.