Sunday, April 20, 2014

The Benefits Of Sponge Blasting

By Essie Osborn


There is a new method of cleaning paint and corrosion off buildings and other structures that uses a non-polluting substance that is also reusable. This new process is also virtually dust free when in use. Sponge blasting can etch, remove coatings and clean several substrates and is reportedly superior to customary methods used to date for this process.

This process uses air propelled open cell polyurethane foam that is water based. It contains varying degrees of abrasive grit that works to improve the cleaning performance of the foam. The grit used as an additive comes in five different abrasive levels and each is used for specific surfaces and the level of difficulty of removal.

The lowest abrasive level of grit is used for oil removal from hard substrates and heavy machinery. It will not damage hoses or fittings on the machinery. It also works well on smoke and soot removal from concrete and steel structures. The other four levels contain components that rise in intensity with the most abrasive being steel grit that is used for heavy rusted structures or where multiple heavy coatings present the need for a deep profile system.

Recycling is one of the better aspects of the process. The media used can be reused up to eight or more times before it needs to be replaced. It can then be disposed of at the dump once it has been containerized. It is not hazardous waste and does not destroy the air we breathe. With this method the water usage is also minimal.

The technique used with this method is much faster than traditional methods are. They can cover one to three square feet a minute so labor costs are far less for the customer. Another labor saving aspect is that because the dust and water levels are so low there is virtually no clean up or preparation time to be passed on to the consumer. The recycling factor cuts costs to the customer even further and the contractor benefits from all of these things too.

There are also no chemicals or toxic cleaners used and very little dust so there is no need for the business to shut down during the stripping period. Heavy metals and contaminants do not become airborne because the polyurethane foam absorbs the dust on impact. This aspect helps cut air pollution as well as improving the health and safety of workers and others who may come in contact with it.

This procedure is so advanced it can remove single layers of paint or dirt without damaging the substrate beneath. It undoubtedly is the preferred method for historical buildings and private homes. The process is so precise that it could be used around and near sensitive control systems. It is capable of removing man made coverings as well as those created by nature or the environment around the building. This process is very good for removal of patina from metals without damaging them.

This is an environmentally friendly method of giving any surface a face lift. Reusable materials that are not toxic or chemical based have a marked advantage over traditional methods of surface cleaning. This process may be the new wave of the future.




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