The only exception when it makes sense to use two treatments is if the object is extremely rusty. Ospho doesnt limit you to the kind of paint you can or cant use as long as you spray down a primer first to promote adhesion. Dont do it! The Latest Innovations That Are Driving The Vehicle Industry Forward. Ospho essentially turns iron oxide into iron phosphate. According to SPI sanding wont work, you have to neutralize the Ospho. I didn't on the bottom of one of my old door frames and the paint didn't adhere. Dec 11, 2010. All it takes is a pass with a soft cloth dampened with a homemade degreasing solutionfour teaspoons liquid dish soap mixed in one gallon of warm waterfollowed by a rinse using a water-dampened rag. if (ry==0) grand river waterfront homes for sale; valentine michael manson; 29. I have only used can sprays over it. Depending on your choice, you can also buy our Tata Tea Bags. I re-sanded, re-cleaned and repainted. Next, then da car with 80 grit, clean with 700-1 wax and grease remover, let set an hour and coat with an epoxy. Location: Northwestern Ohio in the center of a giant corn field. Its Alright but it needs a top coat to protect it. When I use Extend I just made sure it was dust free and primed over it and painted. My local hardware store carries Ospho. Saved many inboard/outboard boat parts using this stuff. OSPHO is easily effective for exterior and interior work alike. 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Phosphoric acid (like concrete etcher) wont affect the paint. Do you need to paint over Ospho? You need to apply barrier or paint right after ospho as it will quickly get rust specks after you rinse off the soluble iron phosphate you created to get the clean metal. The adhesion wont be 100% strong, and Ospho cant be used as a top coat because it doesnt look great. High alkaline pH levels clean away dirt and old wax buildups Unlike Rustoleum, Ospho isnt as famous. First, you will be going against the manufacturers recommendations. Ospho is a rust treatment. Longer dry times may occur depending on temperature, humidity and over-application of product. It reacts with the metal and the rust. When applied to rusted surfaces, OSPHO causes iron oxide (rust) to chemically change to iron phosphate an inert, hard substance that turns the metal black. #9. ospho is just as wet as metal ready. It has been around here for a long time and I am retired so I have been taking time to work on it. I have used Rustoleum primer on my frame and in spots that were not dry I got orange pill. I have not tried to paint over anything that was important, lawn mower parts misc metal etc. Please register or login to enable Dark Mode. on Chainsaws, Started by Homer Also, he indicated that it is a primer. Merely remove loose paint and rust scale, dirt, oil, grease, and other accumulation Before applying, use a wire brush or wire wheel to remove loose paint, rust scales, dirt, oil, and anything else accumulated on the surface. Ospho, as mentioned earlier, is one of the best rust treatments. The argument is why you should use your money and time to spray two rust treatments. Anybody ever not rinse off the Ospho and prime over it? Location: South end of the Cariboo Plateau. It's all in the process. If you use this, I would spray over a 100 150 grit sanded surface. Login with username, password and session length, A man armed with common sense is packing a big piece, the foundation for a successful life is being able to recognize what to least expect the most (anonymous). Besides renting the machine, at an affordable price, we are also here to provide you with the Nescafe coffee premix. //-->. For a better experience, please enable JavaScript in your browser before proceeding. The epoxy will seal these things out, but rust in pits is porous and will contain some water and some oxygen. ),Opp.- Vinayak Hospital, Sec-27, Noida U.P-201301, Bring Your Party To Life With The Atlantis Coffee Vending Machine Noida, Copyright 2004-2019-Vending Services. Restores the look of metal surfaces to factory smoothness with no sanding required! Hi, I have been searching the net for a specific issue I am dealing with. if (ry==0) You want the 24 hours for the reaction to be complete is my understanding. Isnt it better to use Rustoleum and get the rust treatment, protection, and a better finish? document.write('') JavaScript is disabled. imagelinks[1]="http://www.ezboardwalk.com/" WebNail fungus can grow on toenails. The car has original paint and of course a good part of its life it has been outdoors. To neutralize the Ospho MUST be wet, so if dry, re-wet with itself and let set one or two minutes and with a clean rag and water, wipe off like washing the car and then dry. Been doing this for a while and ironically quite a few places on my 91 Golf. If you want to improve the look of the rusted metal, you can paint it with some Rustoleum to get a much better finish. myimages2[1]="../../../images/top-banner/behindtheforum.jpg" My Bug has surface rust in a few spots that I can't get to to wire brush or sand (louvered area below the rear window) and I was debating spraying Ospho or an equivalent, waiting 24 hours and then priming it. After doing this, apply a coat of Ospho Updated: 00/04/25 You must log in or register to reply here. It is a form of phosphoric acid, so the MSDS claim is likely valid, provided the container is still intact. Let dry for a minimum of 24 hours, then apply paint. Ospho, as mentioned earlier, is one of the best rust treatments. Applications and more. Even though Ospho looks hideous once it has cured on the rusted metal, it can be painted, and thats where Rustoleum comes in. We use Ospho a lot on the commercial boats ( all steel construction) but we always paint the next day.