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April 30 - May 4, 2018

How do you best remove lubricants and other contaminants from field-bolted connections prior to painting?

Selected Answers

From trevor neale of TF Warren Group on May 4, 2018:
Hundreds or thousands of field and/or shop bolt assemblies can be found on a bolted structures that require full corrosion protection. SSPC-SP 1 is the minimum standard, but in some cases where galvanizing was specified, a special primer or treatment may be required and is rarely detailed in the specifications. This is a good example of the type of item to be discussed at the pre-job meeting.

From Jonathan Pavlik of PBI Custom Finishes on May 1, 2018:
Remove the material in accordance with SSPC SP-1, if specifed. Water-soluble, environmentally friendly alkaline cleaners combined with elbow grease can provide a water-break-free surface suitable for surface-tolerant coatings.

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Tagged categories: Bolts; Solvent and chemical cleaning; Surface Preparation; Surface preparation

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