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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?


Selected Answers

From Mark Edmonds of Placer Inspection on February 22, 2020:
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.

From OM PRAKASH JAT of TECH INTERNATIONAL SHARJAH HAMRIAH UAE. on February 12, 2020:
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.

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Tagged categories: Asia Pacific; EMEA (Europe, Middle East and Africa); Latin America; North America; Power tool cleaning; Surface Preparation


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