What are the benefits of dry ice blasting?

Dry ice blasting is an industrial cleaning technique that uses no chemicals, no water, and no abrasive media such as those used in sandblasting or micro-abrasive blasting.

This process uses dry ice as the cleaning medium: carbon dioxide (CO₂) in solid form. The point worth noting before any project is that the properties of solid CO₂ explain the practical benefits of dry ice blasting.

Discover the advantages of dry ice blasting below.

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What makes dry ice blasting an innovative industrial cleaning solution

Dry ice blasting projects dry ice pellets with compressed air to detach contaminants from a surface. What this process removes is contamination, while the dry ice itself sublimates on impact: concretely, the result is cleaning without secondary blasting residue.

Eco-Friendly Technology

Reduces the carbon footprint by using non-toxic, recyclable materials.

Precision Cleaning

Makes it possible to reach hard-to-access areas with surgical precision.

Versatile Applications

Suitable for a wide range of sectors, from the food industry to automotive.

Environmentally responsible dry ice blasting using recycled CO₂

Dry ice used for industrial cleaning is generally produced from recovered CO₂ generated by existing industrial processes. In practice, this means the process does not require the manufacture of a new chemical cleaning agent for the cleaning operation itself.

What Cryoblaster® does not use is water, solvents, or abrasive media during blasting. The difference comes down to waste handling: in most cases, you only collect the contaminant removed from the surface, which can simplify treatment in regulated sectors.

Precise cleaning for complex and hard-to-reach areas

Dry ice blasting can be used on complex geometries, narrow areas, and equipment with relief, joints, or cavities. In practice, this means the air flow and pellet projection can reach zones that are difficult to clean manually or with bulkier abrasive methods.

What this process removes is surface build-up such as grease, carbon deposits, dust, residues, or production fouling. Concretely, the result is that hidden defects such as leaks, cracks, or contamination points may become visible once the deposits are removed.

Dry ice blasting applications across industries

This method is used in sectors including food processing, automotive, pharmaceuticals, aerospace, foundry operations, and electrical equipment maintenance. The point worth noting before any project is that the suitability of the process depends on three verifiable parameters: the substrate material, the type of contamination, and the required production constraints.

The difference comes down to adjustment of the process settings, including air pressure, pellet size, and blasting rate. Dry ice blasting can therefore be adapted to different surfaces and contamination levels while limiting dismantling and downtime in many industrial environments.

First, a few explanations...

How the dry ice blasting process works: sublimation, thermal shock, and mechanical action

The cryogenic cleaning technique is based on the projection of dry ice pellets onto the surfaces to be cleaned.

The projection medium is compressed air: industrial pressurised air or air supplied by a thermal compressor. For this operation, an ATX-type blaster is used, equipped with a blast hose, a blast gun, and a supersonic spray nozzle.

Loaded with kinetic energy, the dry ice pellets strike the contamination or deposits present on the surface. In practice, this means the cohesion between the contamination and the substrate is broken through three combined effects:

  • Mechanical shock: the pellets transfer kinetic energy on impact,
  • Thermal shock: the temperature difference generated by the dry ice, at approximately −80°C, weakens the bond between the contamination and the surface,
  • Sublimation: dry ice passes directly from a solid to a gaseous state, with an expansion ratio of approximately 1 to 700; what this process removes is contamination detached instantly from the substrate.

The point worth noting before any project is that these three effects act simultaneously. Concretely, the result is cleaning without adding water, solvent, or abrasive media.

For further information on the dry ice blasting process, use the "Explanations of dry ice blasting" link at the bottom of the page.

More details on the dry ice cleaning technique are available at the bottom of the page. Click on the menu: Dry Ice Blasting > How it works?

Dry ice blasting shows non-abrasive cleaning of metal surfaces with Cryoblaster® technology

More details on the dry ice cleaning technique are available at the bottom of the page. Click on the link  Explanations of dry ice blasting

Plus de détails sur la technique de nettoyage par glace sèche en base de page. Cliquez sur lien Explications du nettoyage cryogénique

Let's compare cleanliness techniques

Traditional industrial cleaning involves the almost systematic dismantling of the machines to be treated. The cleaning of the parts is then carried out in a dedicated area.

Traditional methods are also limited when machines cannot be moved or other clean-up techniques would result in more cleaning and downtime.

As indicated above, dry ice blasting offers many advantages compared to other traditional cleaning methods.

Let's see which ones...

Dry ice blasting: why the dry cleaning process eliminates moisture and contamination risk

Cleaning techniques that use water as the cleaning medium, such as high-pressure cleaning, generate moisture in the treated area and require drying time before parts can be put back into service.

Water based cleaning can also cause rust, which damages metal parts, and can promote the growth of bacteria such as Salmonella, Listeria, and Escherichia coli.

Because dry ice is solid carbon dioxide, cryogenic cleaning has the advantage of being a dry process. In practice, this means no water is added during cleaning, and the low temperature of the projected pellets, around −78.5°C, helps limit bacterial activity during the operation.

This is why many companies in the food and pharmaceutical sectors use dry ice blasting machines such as the ATX25 or the ATX Nano. Concretely, the result is a cleaning process that reduces moisture-related cross-contamination risks and avoids the drying phase required by water-based methods.

The point worth noting before any project is the physical principle involved: dry ice passes directly from a solid state to a gaseous state, without an intermediate liquid phase.

What this process removes is contamination from the surface without adding water to the equipment or surrounding area. The difference comes down to the medium used: water leaves residual moisture, whereas dry ice sublimates on contact.

Dry ice blasting therefore helps prevent the conditions that favour the proliferation of the bacteria mentioned above, as well as mould growth and oxidation on metal surfaces.

Dry ice blasting illustration: a water droplet icon crossed out, symbolising non-water cleaning method with no liquids used.
Industrial cleaning on a moving walkway using dry ice blasting equipment at a commercial centre.

Dry ice blasting operation on an escalator.
High-pressure cleaning is not possible on this type of configuration.

Earth and leaves illustration, emphasising eco-friendly cleaning technology for dry ice blasting benefits
Operator uses a dry ice blasting nozzle inside industrial equipment, cleaning metal surfaces.

With dry ice blasting, even heavily soiled surfaces do not require chemicals such as solvents.

Industrial cleaning with no chemicals: dry ice blasting safety and environmental benefits

Chemical-based cleaning methods can damage components on treated machines and can also present a serious risk to operators and the environment.
In addition, the use of large quantities of chemicals requires waste treatment and reprocessing.

Free from chemical products, dry ice blasting:

  • poses no danger to users when used under appropriate operating conditions,
  • does not leave any cleaning agent residue, which avoids the additional cost of disposing of secondary waste,
  • is an environmentally responsible technique: dry ice sublimates on contact with the surface being cleaned and returns directly to its gaseous form, CO₂,
  • does not require a chemical agent that affects the ozone layer during manufacture,
  • does not generate unpleasant odours, unlike solvent-based cleaning methods.

The point worth noting before any project is simple: what this process removes is contamination from the surface, while the dry ice itself passes from solid to gas without becoming liquid. In practice, this means there is no spent blasting media to collect after cleaning, unlike sand, water, or chemical baths.

Reduce production downtime with dry ice blasting: 2 - 8x faster than traditional methods

Traditional cleaning methods, in most cases, require machines or production processes to be stopped, dismantled, dried if necessary, and then reassembled after cleaning.

Concretely, the result is longer maintenance time and higher indirect costs linked to lost production.

What Cryoblaster® does not use is immersion, chemical soaking, or heavy dismantling as a default requirement. The difference comes down to access and residue: if the contamination can be reached safely, dry ice blasting is often carried out in place and with minimal secondary waste.

Ideally, the cleaning phase should be fast, generate little residue, and require little or no dismantling.

For this reason, dry ice blasting can produce major savings in both time and operating cost.

Its practical advantage is that disassembly and reassembly are often unnecessary. Parts can be cleaned on site, without the additional downtime associated with removal, transport, drying, and refitting.

Example: food industry. Cleaning of two conveyor chains, each 750 linear metres long.

With a traditional method, the operation involves more than 2 days of dismantling, transport of both chains to another site, 3 days of cleaning and regreasing, return transport to the customer’s site, and 2 further days of reassembly. That represents a total production stoppage of 7 days, with a cleaning cost of €30,000, excluding the cost of halted production.

Using the dry ice blasting process, with two Cryoblaster ATX80 and ATX25 cleaning units, the chains can be degreased on site without disassembly in just 2.5 days. In practice, this means 4.5 fewer days of production downtime.

Dry ice blasting is 2 to 8 times faster than traditional methods. The point worth noting before any project is that the exact gain depends on the contamination type, accessibility of the parts, and the level of finish required.

Clock showing fast cleaning via sublimation, hinting at rapid dry ice blasting benefits
Worker using a dry ice blasting system with protective gear, cleaning industrial equipment indoors.

Dry ice cleaning of food-industry chains:
2 1/2 days versus 7 days with the traditional method...

Dry ice blasting is certainly cleaning at high speed!

A little reminder :

As dry ice blasting is a dry process, there is no need to wipe or dry the treated surfaces: in practice, this means a substantial saving in intervention time. Thanks to different nozzle types, cleaning is more precise and can reach confined areas. Concretely, the result is cleaner equipment, improved operating conditions, and easier detection of issues such as hydraulic leaks.

Protect equipment lifespan: why dry ice blasting is non-abrasive surface cleaning

As dry ice is dry, it does not add moisture to metal surfaces and therefore does not promote corrosion.

This technique can therefore be used to clean live electrical equipment, provided there is no risk of electrocution through direct contact.

Important: cleaning live electrical cabinets can requires authorisation (depending your country). The point worth noting before any project is that the operator must have completed this training. Otherwise, in the event of an accident, you could be held liable.

Important: to ensure the feasibility of a dry ice blasting project on a surface you are not used to treating (wood, plastic, etc.), always start at low pressure and adapt the ice grain size and nozzle type to the contaminant, the substrate, and the desired result.

CRYOBLASER/cryoblaster industrial cleaning: close-up of a rotary press with copper rollers; green sponge marked with red prohibition sign indicating no contact with the rollers.

Some tools or accessories can damage
treated surfaces...

Dry ice blasting equipment in action using polished rollers and engineroom machinery of a Cryoblaster system

The hardness of dry ice is only 2 Mohs,
which is the hardness of chalk.
Cryogenic treatment is non-abrasive.

Summary: the benefits and advantages of dry ice blasting for industrial applications

  • safe industrial cleaning process for operators, equipment, and the environment: no chemicals are used, meaning no solvents, detergents, or abrasives.
  • A technique that does not add new greenhouse gases, provided the compressed air is generated using electricity. Dry ice is produced from recycled CO₂ of industrial origin, which is therefore given a second practical use.
  • A dry, non-abrasivenon-conductive cleaning method using a non-flammable medium, typically 2 to 8 times faster than traditional techniques because it does not systematically require dismantling before cleaning surfaces.

Other articles on the same theme...

 

Advantage No. 1 - Dry ice blasting: a dry cleaning process!

Discover in the following article, dry ice blasting, a non-moist process, the 3 main reasons to abandon water as a cleaning agent in industrial cleaning operations.

Advantage No. 2 - Dry ice blasting: cleaning with no chemicals

Among the many benefits of carboglace spray cleaning, the absence of solvents, acid, ammonia... make this process a cleanliness technique that respects the health of users and the environment. Check out the article: dry ice blasting, cleaning without chemistry, all the many benefits that flow from the absence of detergents.

Advantage No. 3 - Dry ice blasting: non-abrasive cleaning

The fact that the hardness of dry ice is very different from the media used in sandblasting and micro abrasive blasting techniques makes dry ice blasting a non-abrasive technique. Find out in this article, everything that makes dry ice cleaning a surface-friendly technique

Advantage No. 4 - Dry ice blasting reduces production downtime

Discover in this article dry ice blasting increases your productivity, how the projection of dry ice allows to optimize the cleaning of your processes in record time!

Frequently Asked Questions

What is the main disadvantage of dry ice blasting, and how is it addressed?

 Dry ice blasting requires specialised equipment and trained operators, which can involve higher upfront costs than chemical cleaning. In practice, this means you must assess the total cost of ownership: chemical disposal, secondary waste treatment, and production downtime. When these factors are included, dry ice blasting typically delivers 50–80% faster completion and eliminates post-cleaning drying time, which can offset the equipment investment within 6 to 12 months in high-throughput settings. The non-abrasive nature of the process also helps extend equipment lifespan, which adds measurable long-term value.

How long does dry ice blasting take compared with traditional cleaning methods?

 Dry ice blasting is 2 to 8 times faster than traditional cleaning methods. A 750-metre conveyor chain, for example, may require 7 days with conventional methods: 2 days for disassembly, 3 days for external cleaning, and 2 days for reassembly. With dry ice blasting, the same operation can be completed in 2.5 days on site, without dismantling. Concretely, the result is a total reduction in process duration of 50–80%, especially where equipment cannot be moved or where downtime is costly.

Is dry ice blasting safe for electrical equipment and sensitive surfaces?

 Yes. Dry ice is non-conductive and completely dry, which makes it suitable for electrical equipment, control cabinets, PLCs, motors, and transformers when the correct procedures and certifications are in place. Operators must hold H1B1 certification for cleaning live equipment and H0B0 certification for de-energised cabinets. What Cryoblaster® does not use is water or liquid solvent during this process: the difference comes down to the absence of moisture, which avoids the short-circuit risk associated with water-based cleaning methods. The bacteriostatic effect at approximately −80°C also helps limit mould and bacterial growth on sensitive equipment, which is relevant in the pharmaceutical and food industries where contamination control is strictly regulated.

 

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