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3M™ Scotch-Weld™ Anaerobic Activator AC649

3M Product Number  AC649     
3M™ Scotch-Weld™ Anaerobic Activator AC649 is a California compliant, one-part surface activator for use with anaerobic adhesives.
  • Pre-apply up to 30 days in advance
  • California compliant
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3M™ Scotch-Weld™ Anaerobic Activator AC649 increases the cure rate of inactive metals, such as plated parts, anodized aluminum, stainless and galvanized steel.


Consumer LabelNo
Container Volume2 fl oz (US), 1 Gallon, 8 fl oz (US)
IndustriesTransportation, Specialty Vehicle, Metalworking, Construction, Medical, Military & Government, General Industrial, MRO, Electronics, Consumer Goods
Product FormBottle, Gallon
Shelf Life in Months (from date of manufacture)12
Storage Temperature72 Degree Fahrenheit