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Read Below And Know In What Cases Dry Ice Blasting Used

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Thompson Industrial Services
Read Below And Know In What Cases Dry Ice Blasting Used

The working principle of dry ice blasting is similar to sandblasting, glass microspheres, steel shot but, unlike these, it is a non-abrasive cleaning method, because when dry ice reaches the surface at supersonic speed, it sublimates or “micro-explosions” are created by the kinetic effect of the particle that expands up to 700 times its initial volume, going from solid to gaseous without passing through the liquid.

It is an industrial cleaning technique based on the projection of CO2 particles in a solid state, that is, dryice.It comes out at high speeds with the help of compressed air and acts in a similar way to the sandblasting method, which consists of accelerating an abrasive agent in a flow of pressurized air and striking a surface to clean or prepare. Dry ice blasting, however, is a much cleaner and more effective system.

Currently, the type of cleaning used to obtain the same results is more abrasive and can even damage the final surface. In addition, it also generates more waste and requires more labour, so downtime is longer. The materials used can be sand, solvents, water, brushes, spatulas, etc.

However, dry ice blasting does not require disassembly nor does it generate more waste than the dirt you are trying to get rid of. In addition, it is very important that it does not damage surfaces.

How Does The Dry Ice Blasting System Work?

Kinetic effect

  • The speed of the particles is critical for cleaning.
  • The pellets of dry ice have low hardness and sublimate at the moment.

Thermal shock effect

  • The low temperature of CO 2 (-78.5ºC) creates a temperature gradient between dirt and surface to be cleaned.
  • Micro-cracks are caused between the layers of dirt, breaking them and separating them from the surface to be cleaned.

Gas expansion effect

  • When going from the solid phase to gas, the volume expands 800 times producing micro-explosions.
  • Dirt lifts off the surface instantly.

Advantages of Dry Ice Blasting

  • This cleaning system meets all our corporate requirements in this regard: it is respectful with the environment and is a responsible and safe cleaning method that can be used in many industrial processes.
  • It does not leave secondary residues so it allows you to save the costs associated with the elimination of residues that arise if we use other cleaning methods.
  • It is non-abrasive, prolonging the useful life of equipment and components and minimizing surface erosion.
  • Health risks are reduced and operator safety improves due to the significant decrease in exposure to chemical agents and dangerous cleaning methods, achieving a much safer work environment.
  • It is more versatile, being effective both when it comes to the need for delicate cleaning and for deep cleaning of heavy machinery.

Conclusion: In what sectors is dry ice blasting used?

As we said previously, this type of cleaning can be applied to a lot of different sectors: automobile, foundry, plastic, food and beverages, restoration and remodelling, graphic arts, medical instrumentation, laboratories, wood, rubber, maintenance, power generation, etc. So if you need this cleaning in your organisation, hire dry ice blasting rental near meand clean soon.

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