The Advantages Of Soda Blasting

Traditional methods of cleaning surfaces, like the standard abrasive blasting, are dirty processes because they load and often embed the surface with contaminants, like oil, tar, grease or abrasive particles. In contrast, pure sodium bicarbonate blast can effectively de-coat and clean the substrate in a single step. This level of cleanliness is not seen in other processes. Besides this, there are other advantages as well. Read on to find out more;

The softness of sodium bicarbonate is 2.4 on the Mohs hardness scale. Added with the friable nature of this crystal, a unique cutting action is produced with no effect on other substrates. Soda blasting can be used for wall cleaning when there are thick coatings on the glass without etching the surface.

Pre-cleaning is also not required. For example, if you do proper boat anti-fouling with sodium bicarbonate blasting, it does not require the surface to be cleaned previously. Other methods demand that the surface be cleaned thoroughly. This is essential for the traditional methods because contaminants on the surface could drive through the coating and cause future coating failure.Sodium bicarbonate blasting will not profile steel. When the coating from the metal surface is reduced, the existing anchor pattern is exposed. So, unless there is surface corrosion, there will be no further need to re-profile the structure.

The media for pure sodium bicarbonate blast can be dissolved in fresh water. If the media is dissolved and the contaminants filtered out, the solution can be discharged on to waterways if there are correct permits. With the increased landfill costs and associated liabilities, this advantage is very important.

There is reduced clean-up cost with sodium bicarbonate blasting. Soda blasting produces 1/5th to 1/7th of the waste volume compared to sand blasting. But it is a bit slower in process. That amount of time is made up by the less waste it produces. Although the cost per square feet is higher, site cleaning and residual disposal rates are significantly lower. Taken together the net cost is about the same.In most of the non-hazardous applications, the residue left over from blasting can be safely drained into sewers and sanitary drains. These drains flush the residue to a water treatment facility, and thereby quickly reduce the clean up time required. Also, sodium bicarbonate is good for waste water treatment.

Sodium bicarbonate has been in use for over 150 years. Workers know how safe it is. The buffer system of the bicarbonate is also the major extracellular buffer for the human body. Sodium bicarbonate is a part of the body’s chemistry. It is non-toxic by ingestion, inhalation or dermal contact. It is not even an irritant for the eyes and that is a major benefit.

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Written by Linda Bell

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