Grease Police Dry Ice Blasting

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Frequently Asked Questions

What is dry ice blasting?

Answer: Dry ice blasting is similar to sand blasting, bead blasting, or soda blasting where a media is accelerated in a pressurized air stream (or other inert gas) to impact and clean a surface.

Why would I use dry ice instead of a traditional blast media?

Answer: Most other blast media leave secondary waste behind. Dry ice sublimates (vaporizes) upon impact with the surface. All that remains is the contaminant you are removing, displaced from the substrate. Also, since dry ice vaporizes on impact, the process can be used to clean complicated cavities where typical grit blast media will become trapped.

What happens to the contaminate?

Answer: Contaminants can be dry, wet, hard or soft. Dry contaminants will break up into small chips and can be swept up or vacuumed. If the particles are large enough, they do not become airborne. If the contaminant is wet such as grease or oil, the Cold Jet stream will move or push the liquid away much like a high pressure water stream would, except that the surface where the contaminant was will be dry and clean. To prevent re-deposition, the operator should work in a methodical way, from the top down.

Will dry ice blasting damage the substrate?

Answer: Our dry ice blasting process will not damage the substrate. The size of the dry ice pellets and their velocity can be optimized to remove the contaminant while remaining non-abrasive to the substrate. Our process can clean delicate chrome or nickel plated tools, soft aluminum or brass alloys, wire insulation and even circuit boards without causing damage.

Is it safe to use dry ice blasting outside?

Answer: Yes. CO2 dry ice is safe to use in outdoor blasting applications.

Is it okay to dry ice blast in an enclosed area?

Answer: Yes, with proper ventilation. Because CO2 is 40% heavier than air, placement of exhaust vents at or near ground level is recommended when blasting in an enclosed area.

Will the process create condensation?

Answer: Condensation occurs when the temperature of the substrate falls below the dew point. The dew point varies with climate and the daily weather patterns. When cleaning hot substrates, condensation will rarely occur because the temperature of the surface will stay above the dew point.