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  1. BillyBridges

    blast and paint profiles

    The blast profile can be changed by changing the blast media or the amount of pressure at the blast nozzle. Also, the blast nozzle orifice can be a slight factor, as well. An excessively deep profile can lower DFT's. If the profile is too deep and the inspector/engineer wants to prevent...
  2. BillyBridges

    Test to Determine Water Penetration Through Coating

    Tiny pinholes in a coating are called "Holidays." They can be detected with low and high voltage holiday detectors. Be sure to talk to the paint supplier and holiday detector manufacturer to select the correct type of detector and that it is used correctly. If too high of voltage is used, the...
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