Problem Solving Forum
February 5 - February 11, 2020
When SSPC-SP3 (Power Tool Cleaning) is specified, how should one decide when to apply the power tool to the entire surface and when to use it just where the coating appears to be defective or rusting?
Mark Edmonds of Placer Inspection on
February 22, 2020:
The answer to your question is located in paragrap ...read more The answer to your question is located in paragraph 1.1 of the SSPC SP-3 standard. It reads "This standard contains the requirements for power tool cleaning to remove loose detrimental foreign matter from steel substrates." Therefore, if an area does not have any loose or detrimental foreign matter, there should be no need to perform any cleaning per SP-3.
OM PRAKASH JAT of Galadari Engineering works on
February 12, 2020:
SSPC-SP 3, Power tool cleaning, is used mostly usi ...read more SSPC-SP 3, Power tool cleaning, is used mostly using for repair work, i.e., damages, scratches on existing coatings, and where abrasive blasting is impractical and not accessible. Abrasive blasting is more appropriate for the entire surface to get a good cleaned surface for coating application.