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Wet Abrasive Blasting: an Overview of Surface Cleaning Alternatives

Wet Abrasive Blasting: an Overview of Surface Cleaning Alternatives
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Restoration of steel and concrete surfaces has relied heavily on sandblasting and other dry blasting techniques. For over a century, dry blasting has been an effective, but dusty approach in removing coatings, contaminants, corrosion, and residues, with emissions of silica and other abrasive or substrate particles linked to negative health and environmental impacts. 

Product Number: 51219-190-SG
Author: Wade Hannon, Bryce Gapinski
Publication Date: 2019
Industry: Coatings
$0.00
$20.00
$20.00

Restoration of steel and concrete surfaces has relied heavily on sandblasting and other dry blasting techniques. For over a century, dry blasting has been an effective, but dusty approach in removing coatings, contaminants, corrosion, and residues, with emissions of silica and other abrasive or substrate particles linked to negative health and environmental impacts. As an alternative to dry blasting, wet blasting was developed in the 1960s to minimize fugitive dust by mixing water with the abrasive spray. While effective in reducing dust, wet blasting was initially slow to catch on due to heavy water use and the problem of containing and disposing of contaminated water. Contractor familiarity with dry blasting and additional costs associated with the water and abrasives of wet blasting also limited acceptance of the newer technique. More recent developments have made wet blasting more attractive to contractors and owners facing tough restoration tasks.

Restoration of steel and concrete surfaces has relied heavily on sandblasting and other dry blasting techniques. For over a century, dry blasting has been an effective, but dusty approach in removing coatings, contaminants, corrosion, and residues, with emissions of silica and other abrasive or substrate particles linked to negative health and environmental impacts. As an alternative to dry blasting, wet blasting was developed in the 1960s to minimize fugitive dust by mixing water with the abrasive spray. While effective in reducing dust, wet blasting was initially slow to catch on due to heavy water use and the problem of containing and disposing of contaminated water. Contractor familiarity with dry blasting and additional costs associated with the water and abrasives of wet blasting also limited acceptance of the newer technique. More recent developments have made wet blasting more attractive to contractors and owners facing tough restoration tasks.

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Vapor/wet blasting is proving to be an attractive method for surface preparation of steel, concrete, wood and other substrates. By using just enough media and water to suppress dust and achieve the desired production rates, Vapor Abrasive® blasting avoids the dusty side effects of dry blasting and the messy runoff generated by wet blasting. To achieve optimal results in Vapor Abrasive® blasting, the system must be properly matched for the job at hand. 
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