What builds up, and why it matters
On this kind of work the problem is release agent, resin, sealant and process residue on tooling and components. Aerospace tooling holds tolerances that abrasive cleaning destroys, and composite work cannot tolerate contamination from the cleaning method itself.
Work is documented and planned against the customer's own process requirements. The people who call us about aerospace dry are usually tooling and manufacturing engineers, and the thing they are actually worried about is dimensional change or contamination on a controlled part.
The method
Why dry ice and not the alternatives
- Non-abrasive
The pellet is soft and sublimates on impact, so the work is thermal rather than mechanical. Machined faces, plating, paint and gaskets survive it.
- Low moisture
No standing water in a harness, a bearing or a cabinet, and no dry time before the equipment goes back into service.
- No secondary waste
Sand, soda and walnut shell all have to be swept and hauled. Dry ice leaves only the contaminant it removed.
- Often no teardown
Much of this work is done in place, which is usually where the real saving is. The labor is in the disassembly, not the cleaning.
More aerospace work
Related jobs we get called for
Questions we get asked first
Will it damage the surface underneath?
On most substrates, no. The pellet is soft and sublimates on impact, so it does thermal work rather than mechanical work. We still test an inconspicuous spot first on anything unusual.
Do you have to take the equipment apart for aerospace dry?
Usually far less than you would expect, and often not at all. Cleaning in place is where most of the saving comes from, because the labor is normally in the teardown and reassembly.
How much mess does it make?
Far less than the alternatives, because the blasting media disappears. What is left is the contaminant itself, which we contain and clean up.
Do you come to us?
Yes. The whole rig is mobile. Compressor, hose and operator arrive at your shop, plant, driveway or dock, anywhere across South Florida from Miami out to roughly a hundred miles.
What does a job cost?
It depends on the equipment, the contaminant and the access, so we will not throw a number at you over the phone without understanding the work. Describe the job and we will give you a real figure.
How soon can you look at it?
Send photos and a short description and one of the owners gets back to you. If you have a shutdown or a deadline, say so up front and we will tell you honestly whether we can hit it.
The comparison
The other ways to do this
- Pressure washing
Forces water where water should not go, looms, bearings, seams, and then the job stops while it dries.
- Solvent and degreaser
Trades the deposit for a residue, plus ventilation and waste to deal with, and it is hard on the finish.
- Hand scraping
Slow, inconsistent, and the tool marks the surface. Fine for a small area, unworkable across a machine.
- Media blasting
Effective and indiscriminate. On soft metal or a finished surface it does damage you then have to fix.
- Dry ice
The pellet is soft and the mechanism is temperature, not abrasion. It turns to gas on impact, so the only thing left to sweep up is what came off.
What comes off
What dry ice actually removes
The rule of thumb is simple: anything stuck on rather than built in. These are the deposits we see most.
- Salt and corrosion product
Salt deposit and the oxidation it starts. Anything abrasive removes the protection along with the salt.
- Ink and printing residue
Dried ink and coating build-up on rollers and press components, where the surface texture is the product.
- Food residue
Carbonized product build-up in a plant where neither standing water nor a chemical film is acceptable.
- Grease and oil
The greasy base coat that traps grit and dust. It releases early and takes the loose material with it.
- Carbon and soot
The hard black crust on a housing, an oven or a weld cell. Bonded by heat, and the first thing to release under thermal shock.
- Adhesive and sealant
Whatever the last repair left stuck to the mating face: gasket, sealant, deadener or adhesive.
- Resin and mold release
Production residue cured onto tooling. Solvent softens it and leaves its own film; the ice lifts it and takes nothing with it.
How a job runs
How a job actually runs
Most people have never watched dry ice blasting happen and are not sure what they are agreeing to. Here is the whole sequence, start to finish.
- You look before we pack up
If something needs another pass we do it then, on site, while the rig is still running. That is a better outcome for everyone than a callback.
- You describe the job
The machine, the deposit and the downtime you can afford. Those three things decide the whole job, and we would rather know all of them before quoting.
- We look at access and containment
The layout decides the method more often than the contaminant does. We work out reach and containment before quoting anything.
- We test a small area
Settings get proven somewhere nobody looks before they get used somewhere everybody does. What is correct on cast iron will mark aluminum, so the test is not a formality.
- We blast, then clean up
Nothing is left of the pellet, so the only thing to collect is what was on your equipment. That collection is part of the work we quoted.
What the job is like to stand next to
Solid carbon dioxide leaves no residue at all. What it does do is displace air, so an enclosed space gets ventilated as part of the job rather than as a precaution added later.
Expect noise. Everybody inside the working area wears hearing protection, us included.
The part will be cold when we finish. Sometimes that means a short wait before handling; sometimes it means a film of condensation as it warms back up.
Everything the rig needs arrives with it. No tap, no drain, no outlet.
Describe what you are dealing with.
Send the equipment, the location and a short description. Photos help. You will hear back from Giancarlo or Kenny, not a call center.