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SKU 7100062120
Legacy SKU 62525928305
UPC 00051128991299
Product Number AC63

3M™ Polyurethane Adhesive Sealant Accelerator AC63 is a liquid additive that, when combined as a part of a two-component adhesive system, accelerates the curing of the adhesive. It is capable of drastically reducing the handling time of adhesives used in highly productive construction settings.

  • Provides a faster cure when mixed in a two-component sealant system
  • Adhesive mix is tack-free within 15 (+/-5) minutes
  • Consistent curing can be achieved within 60 minutes
  • To be used with 3M™ Polyurethane Adhesive Sealant 550 in 350mL Sausage Packs
  • Provides excellent weather resistance
  • Non-staining formula prevents discoloration
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On it's way to you December 8   


Minimum Order 12 Items
Order Increment 12 Items
  Immense Durability
  Superior Bond Strength
  Global Shipping
  Industry Low Price
Product Dimensions
Imperial Metric
Weight 0.1825 LBS
Shipping Dimensions
Weight 2.6 lb
Length 11.37 in
Width 8.625 in
Height 4 in
Color Transparent


  1. What is 3M™ Polyurethane Adhesive Sealant Accelerator AC63 used for?

    3M™ Polyurethane Adhesive Sealant Accelerator AC63 is used to accelerate the cure of certain polyurethane adhesive sealants.

  2. How do I use this product?

    This product should be mixed with specific polyurethane adhesive sealants before application according to the package directions.

  3. Is there any safety information that I need to know about this product before using it?

    Yes, please take note of all safety precautions and follow the instructions provided on the packaging. They include wearing protective equipment such as gloves and eyewear when working with chemicals, ensuring that there is good ventilation in your work area, and avoiding inhalation or contact with skin or clothing.

For industrial/occupational use only. Not for consumer sale or use.
3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use.  Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice.  Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage.  For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.
Makes "Fast Cure" Even Faster

3M empowers its customers by designing solutions that bring optimal performance to their everyday applications. 3M™ Polyurethane Adhesive Sealant Accelerator AC63 is designed for large applications where adhesive strength and cure time are factors. When combined with an adhesive in a two-part adhesive system, this adhesive accelerator is capable of reaching full strength in a fraction of the time it takes conventional, single-part polyurethane adhesives. Consistent, guaranteed cure rates can be achieved in less than an hour, while a tack-free state can be achieved within 15 (+/-5) minutes.

A Different Kind of Cure

Unlike the single-part polyurethane adhesives on the market, our two-part accelerated polyurethane mixture of 3M™ Polyurethane Adhesive Sealant Accelerator AC63 and 3M™ Polyurethane Adhesive Sealant 550 cures due to a chemical process as well as a moisture-based process. This process cures the adhesive from the inside out, resulting in a more consistent cure that reaches full strength in a fraction of the time. No exothermic reaction takes place, no priming is required (for most applications), and the adhesive mixture does not stain.

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