Vapor blasting is a great solution for easily removing rust from surfaces such a metal, wood, concrete, stone, and more.
Vapor Blasting
Wet abrasive blasting (also known as vapor abrasive blasting) removes coatings, contaminants, corrosion, and residues from hard surfaces. It’s similar to dry sandblasting, except that the blast media is moistened prior to impacting the surface. The main advantage of vapor abrasive blasting over sandblasting is that it reduces dust, allowing for operators to work in a wide range of environments with minimal setup and cleanup costs. It results in a cleaner, more consistent finished, ready to coat, with no embedded particles or clinging dust. Vapor abrasive blasting is alternatively referred to as wet blasting, wet abrasive blasting, vapor blasting, slurry blasting, wet sandblasting, and dustless blasting.
Remove Rust
Removing rust couldn’t be easier with vapor abrasive blasting technology. Rust can occur anywhere, on almost any surface, especially metal. As metal surfaces begin to age, deteriorate, erode, and weaken from time and weathering, tools such as traditional hand sanders and dry sandblasters can create limitations within the work environment or job site. Pressurized water efficiently removes tough and hard-to-reach rust stains with its ability to encapsulate each particle of abrasive in water. The weight of the water combined with the weight of the abrasive creates a heavier, more solid, and steady force of impact able to consistently remove unwanted rust spots and patterns.
Surface Friction & Heat
As abrasive exits the nozzle and impacts the surfaces of metal, a small amount of heat is generated, this goes for any dry or wet system. Dry blasting metal can generate a larger amount of heat due to the friction from the abrasive moving across the surface of the metal, causing warping to take place depending on the environment. With wet abrasive blasting, each particle of dust is encapsulated in water. Water cools the abrasive down as it impacts the metal surface, causing less warping to occur.
Vapor Blasting Limitations
As efficient as a tool such as vapor abrasive blasters are, there are limitations when it comes to blasting applications and environments. When surfaces such as metal are being blasted using a vapor abrasive system, a rust inhibitor must be used to prevent flash rust from occurring. The last thing any blaster wants is to blast the project, only to have the entire piece rust over again because there was no rust inhibitor added to the water pot prior to blasting. If metal surfaces such as steel are exposed to elements like moisture and humidity, any surface contaminants on the metal itself will cause flash rust to occur, making the end-user blast the entire surface over again. Not using a rust inhibitor in a vapor abrasive system can lead to excessive operating costs due to having to use more abrasive, more water, and more fuel. It can take only seconds for flash rust to start to occur on a metal surface after it is vapor blasted.
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