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Methodology for sandblasting to SSPC Sa 2.5

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We are repairing our existing navigational buoys. we want to know about sandblasting method conforming to SSPC Sa 2.5 standard. please help us. thanks!

Genesis G [last name deleted for privacy by Editor]
construction business - Subic, Philippines


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sa 2.5 equals sspc 10. sa is Swedish standard which is often used in marine work.
regards,

Jim Wood
- Concord, California


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SA2.5, also known as near-white blast cleaning is a method of preparing steel surfaces which, when viewed without magnification, shall be free of all visible oil, grease, dirt, dust, mill scale, rust and paint / coatings. Generally evenly dispersed very light shadows, streaks and discolourations caused by stains of rust, mill scale or previously applied paint / coatings may remain on no more than 5% of the surface

Marilyn Rushworth
- Halifax, England

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