4/16/2023 0 Comments Exhaust manifold paintIf surface prep is performed and the surface gets contaminated, solvent clean the metal with Acetone or Xylene only. Make sure there is no moisture in the air line which could result in rust spots. It is recommended that the media is 100% grit or 50% grit and 50% shot. The metal surface should not be bead blasted. This method will provide a surface equivalent to that provided by commercial blast cleaning per SSPC-SP 6, including the desired surface profile (anchor pattern). Use 3M brand “Heavy Duty Roto Peen”, type C flap wheel cleaning system mounted on an air-driven motor. If abrasive blasting is not permitted, prepare surface by power tool cleaning per SSPC-SP 11. Abrasive used in blasting should be selected carefully from materials of mesh size required to produce the desired anchor pattern. 2 to a profile depth of 1.0 - 2.0 mils minimum, with a 1.5 mil anchor pattern being ideal. Preparing the metalĪbrasive blast surface per specification SSPC-SP 10, “Near-White Blast Cleaning”, or per NACE Standard No. Here is a step by step procedure that will show you how to get the job done correctly the first time and some suggestions what to look for and what to avoid. When it comes to high temperature paint, the success of the application depends on the surface preparation, the cleaning of the metal, the application of the paint and the curing of the high temperature coating.
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