Dry ice blasting works differently than other blast-cleaning methods. The -109.3°F temperature of the dry ice collides with whatever needs to be removed and causes it to shrink and lose adhesion, leaving behind a clean surface. As the dry ice quickly blasts through the residue on the surface, its contact with that warmer surface causes the dry ice to turn back into carbon dioxide gas. Since the gas has a much higher volume, it expands quickly and accelerates the removal process. Here are some of the things that can be cleaned with this method.
Any time you go out, you may notice the random black spots on the sidewalk. These are especially common in shopping centers, malls, and other public spaces in most major cities. These spots are not actually part of the pavement. Unfortunately, they are bits of chewing gum that people have discarded. Dry ice blasting is the perfect method to clean these spots because the areas will only need to be closed off long enough for the actual cleaning. Once the area is cleaned, it can open back up to the public immediately.
When there is a fire, it can leave harmful residue behind. If your building is still structurally sound and just needs to be cleaned, consider dry ice blasting. It will get rid of all the toxic residue, soot, and odor after a fire. Oftentimes, dry ice blasters will actually work with insurance companies to get properties back on their feet even more quickly.
Because of the extremely cold temperature of the dry ice, it is far easier to remove adhesives. The lower temperature weakens the adhesive bond so it just comes off. More abrasive methods cause friction, which can generate heat and can work against you with some types of adhesives. Some things can even be blasted with dry ice while they are still running!
Dry ice blasting has proved very successful in removing mold from wood. Because of the extremely high pressure, the mold is totally eradicated. Dry ice blasting goes beneath the surface, to the top layer of the wood and removes it which blasts away even the roots of the mold. What you’re left with is a beautiful, clean wood surface.
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