Safety of Melting CA Glue and Hot Glue Guns

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SUMMARY

The discussion centers on the safety of using cyanoacrylate (CA) glue in hot glue guns. It is established that while CA glues contain a cyanide group, they are chemically distinct from pure cyanide. The vapors released when CA glue is heated can irritate the eyes and airways, with an ACGIH threshold limit exposure value set at 0.2 ppm for industrial environments. It is concluded that homemade CA glue sticks should not be used in hot melt guns due to safety concerns.

PREREQUISITES
  • Understanding of cyanoacrylate chemistry
  • Familiarity with hot glue gun operation
  • Knowledge of industrial safety standards (ACGIH)
  • Awareness of chemical exposure limits
NEXT STEPS
  • Research the properties and safety of cyanoacrylate adhesives
  • Learn about the health effects of inhaling adhesive vapors
  • Investigate industrial safety guidelines for adhesive use
  • Explore alternatives to CA glue for hot melt applications
USEFUL FOR

This discussion is beneficial for safety professionals, adhesive manufacturers, DIY enthusiasts, and anyone involved in the use of hot glue guns and cyanoacrylate adhesives.

Gear300
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Apparently, I heard CA glues were toxic while being warmed through hot glue guns. How long would an average human being survive if he were stuck in a closed room with his glue gun left one? I'm just wondering based on safety measures...since I heard CA held cyanide, I was wondering what the effects would be when its melted.
 
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I wasn't aware cyanoacrylate glues were used in hot glue formulations. The vapors of cyanoacrylate contain a cyanide group in the structure but it is chemically unrelated to pure cyanide (if that is what you are asking). The vapors are very irritating to the eyes and airways however. ACGIH has set a threshold limit exposure value of 0.2 ppm which is the maximum recommended concentration allowed in an industrial environment.
 
AFAIK there are no commercially available cyanocylate formulations for hot melt glue applications. They are all liquids of varying viscosities and drying times.

Which means, don't use homemade glue CA sticks in your hot melt gun.
 

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