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Patina steel4/27/2023 Ospho will dissolve light surface rust and leave a bare metal surface with a layer of iron phosphate a few microns deep. Ospho is a phosphoric acid treatment that converts rust into inert iron phosphate, which is black in color. Just scub it down with fine steel wool soaked in Penetrol, let it sit a spell then wipe off the excess and allow to dry. It'll rejuvenate old faded fiberglass, too. It'll consolidate oxidized paint and give it a sheen. It won't blister and flake off like a coating. Items exposed to the weather will need wiping down with a rag wet with Penetrol once or twice a year to renew the finish. You just saturate their surfaces with it then wait 12-24 hours for it to dry. Penetrol will be the easiest, cheapest and most practical product to use to protect rusty metal surfaces and ancient oxidized paint. Landscape Contractor - East Bend, North CarolinaĪ. I just used the Penetrol alone with no polyurethane. The Penetrol has sealed in the rust to preserve the natural patina with no additional rusting. I used it to seal iron ball finials on fence posts which have been exposed to the weather for many years. Hi Bert, I have used Penetrol to seal rusted metal and has worked real well. It's a long thread, so it's easy to miss stuff, but Brad M does talk about Penetrol. Does anyone have any experience in this? Should I seal the metal first and then attach the tiles or attach the tiles and then seal any exposed metal? Since these are for interior, do I need to be concerned about sealing the metal? Thank you. My question is about adhering tiles to the metal. The panels are for interior not exterior. I read Tom from Minnesota's post about rinsing the rusted metal with a water and baking soda solution, burnishing the metal with an old leather glove to smooth the surface and then sealing with a matte polyurethane. This is to prevent the metal panels from flexing. Because the panels are so thin, my plan is to attach the panel to a piece of cement backer board or wood with some type of adhesive. The rust is not new, but some will come off if you rub it. I want to adhere ceramic tiles I make to the panels to create wall hangings. I'm a mosaic artist and have these very thin rusted metal panels about 12"X 15". I would bet that the typical clear coats in a spray can like Krylon are "exterior polyurethane for metal". It does not store any personal data.Hi Jay. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. Rust will occur if a clear sealer is not applied.įor more information and help check out this awesome guide by Sculpt Nouveau *HERE* Dry after rinsing and between applications, making sure to remove the film left by the patina. Water rinsing is a good neutralizer and will not cause rust. It should not be diluted unless you are working on the Metal Coatings.īefore applying this patina, sandblasting or sanding and cleaning is required to remove the oil, oxides, and residues. Black Magic Patina does not work on stainless steel or aluminum. On zinc and galvanized steel, it creates a weathered black patina. Rust will develop if a clear sealer is not applied to the completed finish.Black Magic Patina works similarly on bronze, brass, and copper to darken the metal. The first coat will be dark grey, but the finish will become black after a few coats. It takes only 3-5 minutes to develop and does not produce the quick rust that you normally see with other blackening agents. Black Magic Patina creates a beautiful, rich black patina on iron and steel.
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