3M Scotch-Weld Anaerobic Activator AC649

3M Scotch-Weld Anaerobic Activator AC649 Datasheet
  • Description for 3M Scotch-Weld Anaerobic Activator AC649

    General-purpose surface activator/primer that cure anaerobic adhesives on inactive or very cold surfaces.

    *See Terms of Use Below

    Application Type Activator
    1 Part or 2 Part 1 Part
    Material Form Liquid
    Manufacturer 3M
    Chemistry Acetone
    Cure Method Anaerobic
    Viscosity (cPs) 2
    Color Green
  • Technical Data for 3M Scotch-Weld Anaerobic Activator AC649

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Liquid
    • Chemistry
    • Cure Method
      • Anaerobic
    • Color
      • Green
    Specifications
    Cure Specs
    Viscosity (cPs) 2
    Other Properties
    Specific Gravity 0.790
    Business Information
    Shelf Life Details Storage: Store product in cool, dry area out of direct sunlight.;Shelf life: Twelve months when stored at 60° to 80°F (16° to 27°C) in the original unopened container.
    Shelf Life Temperature (°F) 60 to 80
    Shelf Life (mon) 12
  • Best Practices for 3M Scotch-Weld Anaerobic Activator AC649

    *See Terms of Use Below

    1. Surface Preparation

      Ensure parts are clean, dry, and free from oil and grease.

      Apply to one or both bonding surfaces.

      When using solvents and/or aerosols, extinguish all ignition sources, including pilot lights, and follow the manufacturer’s precautions and directions for use.

    2. Application

      Adhesive is applied to one substrate and activator is sprayed or painted on to the other.

      Apply to one or both bonding surfaces.

      Allow parts to dry completely (usually 30-60 seconds). Activator-coated parts may be held up to their On-Part Life but surface contamination must be avoided

      Apply a Rite-Lok™ Anaerobic Adhesive to one or both parts making sure there is sufficient product coverage.

      Assemble immediately, moving surfaces back and forth to ensure full distribution of the adhesive.

      Secure the assembly until fixtured.

      An alternative method of use is in post assembly application. After apply anaerobic adhesive and assembling parts the anaerobic activator is applied topically over the joint area to aid cure.

    3. Curing

      Curing commences when the two parts are assembled.

      Allow parts to dry completely (usually 30-60 seconds). Activator-coated parts may be held up to their On-Part Life but surface contamination must be avoided.

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