
3M Scotch-Weld Anaerobic Activator AC649
Overview 3M Scotch-Weld™ Anaerobic Activator AC649 is a surface preparation activator designed to accelerate the curing process of anaerobic adhesives. It improves the reliability and speed of anaerobic adhesive bonding by activating metal surfaces and reducing cure time, especially on inactive or d
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Products Description
3M Scotch-Weld™ Anaerobic Activator AC649 is a surface preparation activator designed to accelerate the curing process of anaerobic adhesives.
Products Features
- Model: 3M Scotch-Weld Anaerobic Activator AC649
- Adhesive: Anaerobic threadlockers, sealants, retaining compounds
Products Construction
Adhesive: Anaerobic threadlockers, sealants, retaining compounds.

Physical Properties
| Technical Parameter | Specification |
|---|---|
| Product Name | 3M Scotch-Weld Anaerobic Activator AC649 |
| Product Type | Anaerobic Adhesive Activator |
| Appearance | Clear to amber liquid |
| Function | Accelerates anaerobic adhesive curing |
| Application Method | Spray, brush, or wipe application |
| Compatible Adhesives | Anaerobic threadlockers, sealants, retaining compounds |
| Substrate Type | Metal surfaces |
| Cure Enhancement | Reduces cure time compared with untreated surfaces |
Values shown are from the product data sheet. Confirm suitability for your specific application before ordering.
Products Application
This tape is used for insulation and protection tasks in electrical and electronic assemblies. Tell us the parts to be wrapped, the temperatures involved and the required width, and our team will confirm the right model for your process.
FAQ
Can this tape be supplied die-cut or in custom widths?
Our die-cutting service covers custom shapes and widths. Send your drawing or the required width and length, and we will confirm availability for this model.
How do I request a sample or quotation?
Send the model, required size, color, quantity and your application to [email protected], or use the inquiry form on this page.
Request a Quote
To help us prepare a quotation, please include the model, required width and length, color, quantity and your application. You can also e-mail [email protected].



