Scratching the surface – Carbon dioxide blasting


Carbon dioxide (CO2) blasting is a relatively new process that has been developed primarily for the removal of contaminants from surfaces that are easily damaged by traditional shot or bead blasting, either because of the material of construction or complexity of design.

Replacing the abrasive media with pellets of solid CO2 or dry ice eliminates the physical impact of solid particles and delivers an impressive range of other benefits.

Characteristics of dry ice pellets
CO2 is available commercially as a liquefied gas delivered by many industrial gas suppliers, either in portable liquid containers or from a bulk tanker into a dedicated storage vessel at the customer’s premises.

In terms of physical composition, CO2 is a colourless, odourless, non-toxic gas, but can produce a sour taste in the mouth and a stinging sensation in the nose & throat when inhaled at concentrations much higher than usual atmospheric levels.

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