0391 Pdf | Nace Rp

: Because sulfuric acid is highly hygroscopic (it absorbs water from the air), storage systems must include desiccant dryers on vents to prevent the acid from diluting. Diluted acid (below 77%) is far more corrosive to carbon steel. 4. Comparison with Related Standards

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: Provides procedures for applying internal coating systems to railroad tank cars used for acid transport. 5. Accessing the NACE RP 0391 PDF : Because sulfuric acid is highly hygroscopic (it

AMPP (formerly NACE) Store : The official source for the most current edition, now listed as SP0391. now listed as SP0391.