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Photo of an encloser for dry ice cleaning

Dry Ice Cleaning

As a business continues to migrate toward more environmentally conscious technologies, dry ice cleaning is a significant advantage that should be considered.

Dry ice is non-toxic, requires minimal clean up, and due to its extremely low temperature, it has disinfectant properties as well. Further, dry ice cleans electrical and electronic equipment without disassembly and without producing fire or electrical hazards.

Dry Ice Cleaning

A photo of equipment before dry ice cleaning procedure
A photo of equipment after dry ice cleaning procedure

Dry ice cleaning is similar to sand, bead, or soda blasting,
in which a pressurized air stream accelerates the material
and hits a surface to be cleaned. Using this method, the
dry ice particles vaporize upon impact onto the
surface, eliminating any secondary waste.

Particles of solid carbon dioxide (CO2) are propelled
at supersonic airstream velocities to achieve the
impact energy to strip and clean surfaces. When
CO2 pellets impact, they compress and mushroom
into a high-velocity snow and then instantly sublimate
back into their natural gaseous state. This creates
compression tension waves. The gas expands to
nearly 800 times the volume of the pellet in milliseconds,
in what creates a small series of micro-explosions at
the impact points.

The punctual thermal shock (also known as “fracking”),
along with the airstream velocity and the surface’s
decreasing temperature, serves to break up the coating
as it becomes embrittled. As the molecular bond
decreases, it simply pops off the contaminant from
the inside out.

Benefits

  • Decreased downtime
  • Faster and more thorough cleaning
  • No equipment damage
  • Reduction or elimination of solvents
  • Reductions in waste disposal
  • Increased safety
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