Q. What is sandblasting? (this word is used a lot on this site only because people relate to it. There really isn't much sandblasting done anymore with all the materials avaliable for blast cleaning(that are safer for the evironment and personnel) sand isn't that popular any longer.)
A. Sandblasting is the process of removing dirt, rust, paint, mill scale and other unwanted materials from steel, brick and other substrates. The process requires compressed air and a pressurized vessel, (blast pot) to propel the blast media. Blast media can be a variety of different materials including steel grit, aluminum oxide, plastic media or other medias depending on the application and the results desired.
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Q. What is thermal spray?
A. Thermal spray is a coating process in which melted (or heated) materials are sprayed onto a surface. The "feedstock" (coating precursor) is heated by electrical (plasma or arc) or chemical means (combustion flame). Coating materials available for thermal spraying include metals, alloys, ceramics, plastics and composites. They are fed in powder or wire form, heated to a molten or semimolten state and accelerated towards substrates in the form of micrometer-size particles. Combustion or electrical arc discharge is usually used as the source of energy for thermal spraying. Resulting coatings are made by the accumulation of numerous sprayed particles. The surface will not heat up significantly.
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