LOCTITE SF 7649 is designed to promote the curing speed of LOCTITE anaerobic adhesives and sealants without any significant loss of joint strength. It is especially recommended for applications with passive metals or inert surfaces and with large bond gaps. LOCTITE SF 7649 is particularly recommended when the application temperature is below 15 °C.


  • 128g
  • Increases cure speed on passive and inactive surfaces
  • Solvent-based
  • Low temperature curing
  • For large bond gaps


  • LOCTITE 7649 primer is required to promote the bond strength of LOCTITE SPEEDBONDER 319 to non-porous materials


  • Customers should independently determine the suitability of this product for their specific purpose prior to use


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