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Loctite

Loctite Primer N 7649 231020 aerosol 25g green

SKU CH-BG18-SHHHE

Anaerobic adhesive accelerator in a 25 g aerosol can, green colour, acetone base, dry time 30 to 70 seconds, flash point -4 °F, meets ASTM D-5363 and MIL-S-22473E

  • TypeSealing Compound
  • Color/FinishGreen
  • Speeds anaerobic adhesive cure in 30 to 70 seconds
  • Acetone-based formula with 0.79 specific gravity for fast evaporation
  • Green cured color allows visual confirmation of coverage
  • Meets ASTM D-5363, MIL-S-22473E, NSF P1 and NSF/ANSI 61 standards
  • Low 11.7 g/L VOC content reduces environmental impact

Primer N 7649 for anaerobic adhesives

Loctite Primer N 7649 is an acetone-based activator supplied in a 25 g aerosol can. It accelerates the cure of anaerobic threadlockers, retaining compounds and gasketing materials. The green colour allows visual confirmation of coverage during assembly. It is intended for maintenance, repair and original-equipment operations where faster fixture times are required.

Dry time 30 to 70 seconds at room temperature

The primer flashes off in 30 to 70 seconds, after which the anaerobic adhesive can be applied. Its low viscosity of 2 cps ensures even film formation on threads and close-fitting metal surfaces. The product meets ASTM D-5363, MIL-S-22473E, NSF P1 and NSF/ANSI 61 standards for industrial and potable-water use.

25 g can covers small to medium assemblies

A 25 g aerosol delivers approximately 0.88 fl oz of primer, sufficient for numerous bolted joints or bearing fits. It performs reliably up to a maximum application temperature of 59 °F; above this the solvent evaporates too quickly for consistent activation. The flash point of -4 °F demands storage away from ignition sources.

Highlights

  • Speeds anaerobic adhesive cure in 30 to 70 seconds
  • Acetone-based formula with 0.79 specific gravity for fast evaporation
  • Green cured color allows visual confirmation of coverage
  • Meets ASTM D-5363, MIL-S-22473E, NSF P1 and NSF/ANSI 61 standards
  • Low 11.7 g/L VOC content reduces environmental impact

Specifications

TypeSealing Compound
Color/FinishGreen
BrandLOCTITE

Questions about this item

What does the 25 g aerosol size mean for coverage on a typical assembly job?

The 25 g can holds 0.88 fl oz of acetone-based primer, enough for multiple small to medium anaerobic adhesive applications where a thin, even coat is required.

How do the listed standards such as ASTM D-5363 and MIL-S-22473E affect the way this primer can be used?

Those standards confirm the formulation meets military and industrial specifications for anaerobic adhesive activators, so it is approved for maintenance and assembly work that requires documented compliance.

What surface preparation or mounting considerations apply when using the aerosol can?

Shake the can well, apply a light uniform film to clean parts at temperatures up to 59 °F, and allow 30 to 70 seconds dry time before assembling the anaerobic adhesive joint.

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