3M Scotch-Weld Anaerobic Activator AC649

3M Scotch-Weld Anaerobic Activator AC649 is a high-performance surface activator designed to accelerate the curing of anaerobic adhesives, such as threadlockers, retaining compounds, and sealants. It is particularly effective on inactive metals (e.g., stainless steel, plated surfaces) where curing can be slow. By promoting rapid polymerization in oxygen-restricted environments, AC649 helps achieve faster fixture times, improved bond strength, and more consistent performance in industrial assembly applications.

Features:

- Reduces fixture time for anaerobic adhesives.
- Ideal for stainless steel, zinc-plated, and coated surfaces.
- Ensures consistent curing in challenging conditions.
- Apply via spray or brush.
- Suitable for automated assembly lines.

Applications:

Threadlocking of fasteners, Retaining bearings and cylindrical parts, Sealing threaded connections, Automotive and industrial assembly, Maintenance and repair operations.

Additional Documents:

3M Scotch-Weld Anaerobic Activator AC649 (TDS)

Adhesive Tapes Selection Guide

Category: 3M Adhesion Promoters

Description

Technical data

Legal Disclaimer

The values given are typical values, and do not constitute a specification. We recommend testing the suitability of the self-adhesive tape for the designated application or use. Please contact us or e-mail info@ysdiecut.com to determine product availability.

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