Oct 4, 2008 · The Phosphoric Acid at Home Despot is called "Behr Concrete Rust Stain Remover" You can get a Phosphoric Acid solution from Kano Labs called Ex-Rust which has some sort …

Sep 30, 2016 · Phosphoric acid is used a lot in the dairy industry for milkstone removal and is the active component in a lot of rust remedy stuff - it turns the rust to a dark black coating.

Feb 9, 2022 · Phosphoric acid is used a lot in the dairy industry for milkstone removal and is the active component in a lot of rust remedy stuff - it turns the rust to a dark black coating. But if …

Nov 14, 2010 · The thing was that in places the surface 'crust' need some persuasion to come away (leaving the shiny pitted steel underneath). Using the phosphoric acid was a final 'belt …

Jul 21, 2017 · Phosphoric acid is both a remover and a converter, depending on the acid concentration. 4 - 8% by volume will convert rust to either a black or white phosphate coating …

Oct 30, 2007 · To answer the original poster's question, no I don't think that phosphoric acid will eat the metal. It seems to go to a point and stop after the rust has been eaten up.

Oct 6, 2022 · The boat restoration folk wet sand blast steel work, allow the flash rust to form, then use 'rust converter' (which is basically phosphoric acid) to convert the flash rust to iron …

Aug 31, 2010 · Rust Removal and Converters. Phosphoric acid is used as a rust converter, and one must brush off "accreted" rust ( scale) first. It effectively "Parkerises" the steel. Other …

Mar 11, 2005 · I use METAL ETCH, which I get from a local chemical supply house. It's advertised as a rust remover. It's 10% phosphoric acid - dissolves rust but not clean steel …

Dec 7, 2008 · Phosphoric acid will convert rust while evaporust is a chelating agent which removes it. Choose yer poison. The good news is that evaporust doesn't degrade the nonrusty …