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Dry Ice Blasting

Dry ice blasting is a process in which dry ice particles are propelled at high velocities to impact and clean a surface.  It is a cost effective way for many industries to maximize production capability and quality.  It is used to manage production residues, release agents and contaminants.  Unlike other blasting media, dry ice has a temperature of -78.64C.  Temperature difference between the dry ice particles and the surface being treated cause thermal shock to occur and lead to a breakdown of bond between two dissimilar materials during the process of dry ice blasting.  This ability allow dry ice blasting to successfully strip paints, oils and bio-films which makes it used for many general cleaning application.

It may be used without damaging active electric or mechanical parts or creating fire hazards as dry ice blasting uses compressed air to accelerate dry ice pellet to a high velocity.  Therefore, the process is non-abrasive, non-flammable and non-conductive.

Frozen  CO2 (dry ice) in the form of "Pellets" is made from food grade carbon dioxide and very well suited for industrial cleaning operations.  Since dry ice sublimates, it means that they change directly from solid to gaseous condition without any residue.  Expensive disposal of conventional cleaning media is no longer necessary.  Furthermore, CO2 is a non-poisonous, liquefied gas which is both inexpensive and can be easily stored at work sites.

In search to find new cleaning technologies, the market now offers dry ice cleaning machines as a cleaning alternative since only the removed deposit remains - no chemicals and contaminated water to dispose of.

Operation of the equipment, including the control system is oil-free and completely pneumatic using dry air.  It is designed for high dry ice pellet speeds yet operating at very low pressure.  Depending on the application, different nozzles can be used and changed very quickly without the use of additional tools which gives added convenience to users.

Such machines use the spraying method by spraying dry ice pellets out from the nozzle.  As a result, it is possible to control air pressure and the flow of the pellets.  Similar to other spray methods, the air pressure will spray the pellets on the surface to be cleaned.

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