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Fluidized sand bed stripping is
a method in removing cured powder coatings. The process uses an inert media (sand or oxides) that are used
as a heat transfer medium. In sand bed system, natural gas and air are forced through the medium and are
ignited at the surface of the medium. This transfer of heat fluidizes the medium. The
product with the cured powder coatings is then lowered into the tank of fluidized medium at a temperature of approximately
800F. The medium begins breaking down the powder coating on the product and the agitation of the
fluidized medium removes any ash on the product. The normal time frame for the product to be in the tank
is relatively fast - about 30-60 minutes.
- There is no damage to parts because the heat is dispersed equally in the tank.
- Products cleaned in this method require only minimal cleaning efforts to be prepared for the recoating process.
- The fluidized sand bed stripping method is safe and environmentally friendly.
- There are no toxic chemicals used or hazardous waste generated.
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A great economical method for cleaning/removal of powder coatings from Powder Coating:
In addition, the fluidized sand bed can readily clean plastic extruding dies! |
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