Protective Coatings Application: Water Washing

Objective

To understand the requirement for water washing as a method of pre-cleaning

  • Used as pre-surface preparation requirement and prior to coating application.
  • Not to be confused with Ultra High Pressure (UHP) water jetting.
  • Pressures usually used range from 70-350 bar (1 - 5,000 psi).
  • SSPC-SP 1 Solvent Cleaning is a requirement of all SSPC surface preparation standards.

Objective only

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