myimages[1]="../../../images/top-banner/ez50-banner.jpg" That is my actual question. Before applying, use a wire brush or wire wheel to remove loose paint, rust scales, dirt, oil, and anything else accumulated on the surface. Jun 4, 2009 4,519 Pearson 530 Admiralty Bay, Bequia SVG Jun 11, 2020 #9 I would suggest you down load a product data sheet for ospho and the paint you are planning It's great stuff. Vending Services Offers Top-Quality Tea Coffee Vending Machine, Amazon Instant Tea coffee Premixes, And Water Dispensers. Yes, you can paint Rustoleum over Ospho. The Ortho Phospho will convert red rust to black iron oxide, but it also leaves a protective varnish of some kind. /* You will find that we have the finest range of products. //specify corresponding links below High alkaline pH levels clean away dirt and old wax buildups myimages2[3]="../../../images/top-banner/behindtheforum.jpg" It reacts with the metal and the rust. going away in seconds. Once the surface is dry, you can paint over it. I am just here to clarify the purpose of using both Rustoleum and Ospho. I just signed up to you guys forum. It's important to note that Ospho is a rust inhibitor coating and not paint. Thats because, we at the Vending Service are there to extend a hand of help. imagelinks[3]="https://woodmizer.com/us/?utm_source=forestryforum.com&utm_medium=banner&utm_campaign=40th&utm_term=2022-02-01&utm_content=800x160" Without further ado, here are our top choices for the best rust converters. There are some areas with surface rust, some heavier. When the intention is to leave ospho on the panel for protection, it still has to be wiped off with a dry rag, leaving only a thin film. They use Sea Hawk Tuff Stuff and claims he's never had issues. You have to remove it. Humidity). WebHow do you paint after using OSPHO? This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. After doing this, apply a coat of Ospho and let it dry (overnight). Can you paint over iron phosphate? Brush off any loose powder and wipe down with Mineral Spirits before painting. He won't be able to come back closer to 48 hours. 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. Besides renting the machine, at an affordable price, we are also here to provide you with the Nescafe coffee premix. In the past I have applied rust converter and primer. Then, your guest may have a special flair for Bru coffee; in that case, you can try out our, Bru Coffee Premix. Before applying, use a wire brush or wire wheel to remove After the Rust Converter has completely dry, it is recommended to wipe the surface with a damp cloth to remove all excess Rust Converter before you apply the oil-based paint. Iron phosphating is a widely used pre-paint treatment. Anything rusty needing refinishing I first wire brush clean and then treat with metal-prep (Ospho). Again, apply just enough for full coverage / hiding. If you use this, I would spray over a 100 150 grit sanded surface. I've used it after sand blasting to get into the tight spots that I couldn't get blasted as well as I liked. 4 - Next I applied 2 coats of clear (Matrix MS-42 high solids) and I added their flattening agent to get a flat to satin sheen. No! Before applying, use a wire brush or wire wheel to remove loose paint, rust scales, dirt, oil, and anything else accumulated on the surface. Before applying, use a wire brush or wire wheel to remove if (ry==0) You're right Andy, epoxy offers the most compatability and durability. It has been in Central and Southern California its whole life (no snow). Its important to note that Ospho is a rust inhibitor coating and not paint. //specify random images below. Ospho is good stuff. Even though Ospho contains phosphoric acid, it will not bleed through Rustoleum when you let it dry first. Phosphoric acid, Rustoleum and learning the hard way. Same for most senders and plastics. imagelinks[5]="https://woodmizer.com/Store/Shop/Sawmill-Options/CookieMizer-Clamping-Jig?utm_source=forestryforum.com&utm_medium=banner&utm_campaign=cookiemizer&utm_term=2021-03-09&utm_content=800x160" I am soon to be at that same point with my F1. capta . Not sure what happens if you delay. maybe with some white vinegar solution or denatured alcohol. var myimages=new Array() Epoxy primer. It converts the iron oxide of rust to iron phospate, the black stuff. Archive - Half of what I read says yes and half says no. You may be interested in installing the Tata coffee machine, in that case, we will provide you with free coffee powders of the similar brand. I've not used the Ospho brand but have used a similar rust neutralizer product from Auto Zone as I recall. Restores the look of metal surfaces to factory smoothness with no sanding required! imagelinks2[2]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" can you dropout of school at 16 in tennessee; kuwait visa check by civil id; is obama still alive in 2022; can you paint directly over ospho. Uncategorized. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. For a better experience, please enable JavaScript in your browser before proceeding. Although its not required, if your surface is exposed to the outdoor elements, we highly recommend applying two coats of a quality oil-based paint over Rust Converter. I guess what caught my eye was the directions specifically say to do a test specimen when applying and epoxy based product which barrier coats are. Its important to note that Ospho is a rust inhibitor coating and not paint. Since then everything iron or steel that I paint gets a coat of Ospho. Clientele needs differ, while some want Coffee Machine Rent, there are others who are interested in setting up Nescafe Coffee Machine. However, there is one main limitation which we will discuss below. My local hardware store carries Ospho. Then, waste no time, come knocking to us at the Vending Services. (Explained), Audi Brilliant Black Vs. Mythos Black (Compared). You can have multiple cup of coffee with the help of these machines.We offer high-quality products at the rate which you can afford. Rustoleum and Ospho are popular rust treatments and protective coatings. I have never used it but they assured me that you can paint over it. Can you paint over super glue? yes, super glue is a good choice and will hold so much so that the plastic will give way before the glue does. I recommend gorilla super glue as do others. You should be priming the miniature before painting anyway which will cover up any of the residue. But it will not effect the paint. Ospho (Note: I want to Similar to above. They have every replacement panel made for the e Bodies.. I have been searching the net for a specific issue I am dealing with. Either way, you can fulfil your aspiration and enjoy multiple cups of simmering hot coffee. I didn't on the bottom of one of my old door frames and the paint didn't adhere. In Stock. Manage Preferences - get the metal prep that you use like soap and water and wash the bare metal and let air dry, then use a paint thinner to clean it after it dries. Its important to note that Ospho is a rust inhibitor coating and not paint. var ry=Math.floor(Math.random()*myimages2.length) I re-sanded, re-cleaned and repainted. It is with the use of Ospho rust treatment. Rust needs water and oxygen. I understand your concern. This article will address whether its okay to paint Rustoleum over Ospho and anything else you may need to know about these two protective coatings. We'll see. The decision to use Rustoleum over Ospho depends on your preferences and objectives. But its a good idea to let it sit for 24 hours. After applying Ospho then wait Excess dew and humidity may prolong drying time, cause a reoccurrence of the drying process resulting in a powdery buildup. Yes, Ospho can damage paint because it is 75% Phosphoric acid. 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. Before applying, use a wire brush or wire wheel to remove loose paint, rust scales, dirt, oil, and anything else accumulated on the surface. Source for Phosphoric Acid or similar compound for acid dipping? Can a point of use water heater be used for a shower? If the metal piece has been treated with Ospho and you want to paint Rustoleum over it, here is how you can go about it. Next, then da car with 80 grit, clean with 700-1 wax and grease remover, let set an hour and coat with an epoxy. Most professionals have an issue with painting Rustoleum over Ospho because the former is also a rust treatment. What Types of Paint Can You Use Over Ospho? To neutralize the Ospho MUST be wet, so if Iron phosphating is a widely used pre-paint WebA: No. If Ospho has been used on a car, you can use automotive paint and finish it with a clear coat for a much better finish. Registered. grand river waterfront homes for sale; valentine michael manson; 29. It is atwo-part phosphoric acidetching process that restores rusty metals. Terms of Service - We focus on clientele satisfaction. After conversion, I wash it off, then wipe with solvent then shoot the primer and paint. I haven't heard of this product. then you can do the epoxy over the etching primer. can you paint directly Particularly good for redoing rusted engine beds and steering linkages. About Us - Hope this helps you. Causes eye and skin burns. Problem is I research too much and have seen people that have had issues with every product. However, there is one main limitation which we will discuss below. Been there, done that. If you want to strip and then leave it bare for a period of time then I'd wipe the ospho on and remove any excess. Once the vehicle, whatever it is, is media blasted, it won't really take that long to sand it with a DA using 80 grit to prep it for Epoxy. Does Ospho Need to Be Complemented with Another Rust Treatment? It has been around here for a long time and I am retired so I have been taking time to work on it. We ensure that you get the cup ready, without wasting your time and effort. Spray primer and then Rustoleum. Do you need to paint over Ospho? imagelinks[6]="http://www.ezboardwalk.com/" Price: $80.00 $90.00 a gallon kit. When I use Extend I just made sure it was dust free and primed over it and painted. They also explain that Ospho creates a strong bond between rusted metal and paint. It looks cool. approximately 30 minutes When applied to rusty metal, itinteractswith the iron oxide forcing it to turn black or dark blue. Time is relevant, only because it exists. Home. Random Image Link Script- By JavaScript Kit(http://www.javascriptkit.com) Dec 11, 2010. Location: Northwestern Ohio in the center of a giant corn field. \\\"In the end, it is a moral question as to whether man applies what he has learned or not.\\\" - C. Jung. Updated: 00/04/25 Regarding painting over Ospho, you can use any other type of paint you want over this rust treatment. I would think if they had issues they would have said so. Therefore, Ospho can be painted over. Ideally, you would paint the parts right after applying the phosphate coating. Reading the Ospho directions it says "Test trial samples before using epoxy or other paint systems." Should't need the 80 or hundred with the OSPHO. It works as a primer. The vendor should have more complete information. Page created in 1.421 seconds with 39 queries. If you think a particular object is too rusty to be treated with only Ospho, feel free to bring in the big guns. Both are a light green liquid. //specify random images below. My pet car I have stashed is a 73 Dodge Challenger Raylle 340 4-speed. document.write('') Also, he indicated that it is a primer. Do not know Ospho, nor have I used the Sea Hawk products. 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). I use Ospho a lot. CLEANING AND ETCHING METAL OSPHO can be used to clean and etch Ferrous and Non-Ferrous metals by simply applying a thin coat. Thenclean off the flakes with a wire brush. Longer dry times may occur depending on temperature, humidity and over-application of product. The first time I heard of Ospho was back in the early 70s. OSPHO is a rust inhibiting coating that provides a sound base for subsequent primers and paints. Dont do it! For a better experience, please enable JavaScript in your browser before proceeding. If you own a car or interact with things that contain metal, such as bikes or wheelbarrows, Rustoleum should be a familiar name. You can touch up the Rustoleum occasionally if it starts to wear out. "Winning an argument isn't everything, as long as you are heard and understood" - W.S. Main ingredient is phosphoric acid in some concentration. Some areas now have minor rust coming through. Before applying, use a wire brush or wire wheel to remove loose paint, rust scales, dirt, oil, and anything else accumulated on the surface. wipe it down to remove the loosend rust, then spray it The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. JavaScript is disabled. Corroseal Water Based Rust Converter Metal Primer. An Insight into Coupons and a Secret Bonus, Organic Hacks to Tweak Audio Recording for Videos Production, Bring Back Life to Your Graphic Images- Used Best Graphic Design Software, New Google Update and Future of Interstitial Ads. I don't know about Seahawk, but I also used ospho on my iron keel this season. Before applying, use a wire brush or wire wheel to remove loose paint, rust scales, dirt, oil, and anything else accumulated on the surface. Its advisable not to rush this project. Brush off any loose powder and wipe down with Mineral Spirits before painting. I put it on a 20 foot flatbed steel deck trailer that I built. Rust Converter should only be applied to the rusted areas, not the whole surface. If the parts are not going to be painted, then you can apply some kind of rust inhibitor that can act as a barrier to corrosion. JavaScript is disabled. This product is excellent for chrome containing a fine abrasive and also a wax which will help prevent the return of rust in the future. Do You Need to Sand Over Ospho Before Painting Rustoleum? The one I washed was fine. Sanding off primer and old rust treatment reveals solid metal underneath. The best on a budget: Whink Rust Remover. imagelinks2[3]="https://www.youtube.com/c/TheForestryForum?sub_confirmation=1" We understand the need of every single client. If this were to happen, it would be an epic failure. Like you said, the stuff works great and leaves a tacky finish when dry. ry=1 It is a form of phosphoric acid, so the MSDS claim is likely valid, provided the container is still intact. We use Ospho a lot on the commercial boats ( all steel construction) but we always paint the next day. A buddy, who's a lot better painter than I am, did me a set of wheels using the high dollar black polyurethane over it and it worked fine. JavaScript is disabled. */ Lasts a long time if you soak parts and then filter the acid clean of debris and reuse again. Merely remove loose paint and rust scale, dirt, oil, grease, and other accumulation with a wire brush or pressure washer and let dry- apply a thin coat of OSPHO as it comes pre-diluted in the container. Considering that these are two different rust treatments and one contains phosphoric acid, its understandable that you may be worried about the Ospho bleeding out through the Rustoleum. imagelinks[4]="http://www.ezboardwalk.com/" 3 - Next I applied two coats of base (PPG Deltron). I Have Been Told That Ospho And Epoxy Primers May Have A Chemical Reaction Resulting In Proplems. Chemically it causes the oxidation to become a barrier to further oxidation. I'm not worried about the time it sits as directions say a minimum of 24 hours before painting. I like the idea of Ospho converting the rust but the Rustoleum as a top coat scares me. Price: $15.00 on average. random_imglink() It will need to be touched up occasionally. The more I read on the subject the more confused I get. You can paint over the dry surface once it has dried. First, you will be going against the manufacturers recommendations. A forum community dedicated to hot rod owners and enthusiasts. I Have Been Told That Ospho And Epoxy Primers May Have A Chemical Reaction Resulting In Proplems. OSPHO has the consistency of water and treats up to 600 square feet per gallon. The main reason Ospho can bleed through Rustoleum is when you spray the latter before the Ospho cures. Doing so may fail because the phosphoric acid is still active. If you prime right after stripping then there's no need for the ospho. function random_imglink2(){ Ospho essentially turns iron oxide into iron phosphate. My pet car I have stashed is a 73 Dodge Challenger Raylle 340 4-speed. How to Market Your Business with Webinars? Now that you have the Water Cooler of your choice, you will not have to worry about providing the invitees with healthy, clean and cool water. var imagelinks=new Array() When used together, you will enjoy peace of mind knowing that you have a double rust treatment on the metal. Anybody ever not rinse off the Ospho and prime over it? According to SPI sanding wont work, you have to neutralize the Ospho. Best Supply MROChem Black Star Rust Converter. I used Extend on my back fenders over eight years ago and they still look good. Isnt it better to use Rustoleum and get the rust treatment, protection, and a better finish? Once the surface is dry, you can paint over it. What Else Might I Use To Seal The Metal For A Couple Of Weeks Until I Can Applyan Epoxy Primer?? You can have as many as you wish For years together, we have been addressing the demands of people in and around Noida. I hired an outfit to sand blast my cast iron keel and apply an epoxy barrier coat. There have been many sailors here that have Ospho treated their keels before barrier coating. Location: South end of the Cariboo Plateau. You are now at the point where you really need to think about cutting out the rusted areas and replacing the panels. if your at home do one section at a time Ospho dries overnight. Quote from: rmack on May 02, 2012, 10:50:12 PM, Quote from: steamsawyer on May 03, 2012, 12:01:41 PM, Quote from: Delawhere Jack on May 03, 2012, 07:54:55 PM, Quote from: Al_Smith on May 03, 2012, 09:39:08 PM. You already know how simple it is to make coffee or tea from these premixes. You can apply Ospho on to galvanize and aluminum and paint will stick and stay also.. Its important to note that Ospho is a rust inhibitor coating and not paint. It's all in the process. The machines are affordable, easy to use and maintain. random_imglink2() Theres no need to remove old paint off a cement floor before painting with epoxy paints. This makes painting the floor considerably less troublesome and safer than painting bare cement. Instead of using acid to etch the surface, youll only have to sand lightly. They are both phosphoric acid. Spraying Rustoleum over Ospho is pretty straightforward. Either way, the machines that we have rented are not going to fail you. I am in the middle of the metal work on my truck and was wanting something to protect it from surface rust when someone sugested using ospho. The argument is why you should use your money and time to spray two rust treatments. 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. Symptoms/injuries : The vapour causes slight irritations in eyes, throat and skin. Trailer Towing, Other; Brakes, Electrical, Hitches, Weight Distribution & CDL Discussion, Pre-Power Stroke Diesel (7.3L IDI & 6.9L), Bio-diesel, Propane & Alternative Diesel Engine Fuels, Explorer, Sport Trac, Mountaineer & Aviator, 1987 - 1996 F150 & Larger F-Series Trucks, 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks, 1973 - 1979 F-100 & Larger F-Series Trucks, 1967 - 1972 F-100 & Larger F-Series Trucks, 1961 - 1966 F-100 & Larger F-Series Trucks, 1957 - 1960 F100 & Larger F-Series Trucks, 1968-Present E-Series Van/Cutaway/Chassis, Nite, Nascar & Other Limited Edition Ford Trucks, Supercharger, Turbocharger, Nitrous Oxide & Water/Methanol Injection, Small Block V8 (221, 260, 289, 5.0/302, 5.8/351W), Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460), FE & FT Big Block V8 (332, 352, 360, 390, 406, 410, 427, 428), 335 Series- 5.8/351M, 6.6/400, 351 Cleveland, Y-Block V8 (239, 272, 292, 312, 317, 341, 368), Audio & Video Systems, Navigation, Satellite Radio & Mobile Electronics, Bed Covers, Tonneau covers, Toppers/Canopies & Bed liners, Brakes, Steering, Suspension, Tires, & Wheels, Clutch, Transmission, Differential, Axle & Transfer Case, Fuel Injection, Carburetion & Fuel System, Vendor Specials, Discounts, Product Announcements & Group Buys, Filler over primer. They should be able to assist. My local hardware store carries Ospho. Any advise would be appreciated! Its why you may consider painting Rustoleum over it. I got some and tried it man that stuff works great. A forum community dedicated to all Dodge Challenger owners and enthusiasts. For a better experience, please enable JavaScript in your browser before proceeding. #2. myimages[6]="../../../images/top-banner/EZ-junior.jpg" Find Skyco OSPHO Surface Prep at Ace. Quick and easy to use, dries hard and fast. When applied to rusted surfaces, OSPHO causes rust (iron oxide) to chemically change to iron phosphate an inert, hard, black substance. Epoxy primers& body fillers DONT LIKE ACID!Nov 30, 2007. Saved many inboard/outboard boat parts using this stuff. Ospho is phosphoric acid and shouldnt be used on cast iron. Is Ospho a rust converter? I use Ospho all the time on my 1941 Ford project. Did you just try to wipe off the tacky residue? Please register or login to enable Dark Mode. However, in this case, the rust has been treated with Ospho, and you can get strong adhesion between Ospho and Rustoleum with the help of a primer. var myimages2=new Array() Thank you for the response. Only after this period has lapsed, then can you spray Rustoleum. Please choose product option (s). Neutralize it with water, dry it off, and then wipe with wax/grease remover before applying a top coat. /* Therefore, using it over a paint such as Rustoleum may not stick for long. Unlike Rustoleum, Ospho isnt as famous. Make sure to reduce the epoxy and put it on thin but get full coverage. Chemicals are often that way. Knothole Sawmill, LLC '98 Wood-Mizer LT40SuperHydraulic WM Million BF Club Member WM Pro Sawyer Network. eye protection. We are proud to offer the biggest range of coffee machines from all the leading brands of this industry. Come join the discussion about performance, modifications, troubleshooting, Hemi Mopar power, power-adders, and more! You first need to let the Ospho dry if it has been painted recently. For best results, use OSPHO at temperatures no lower than 36. Ospho goes under and not over the paint. Its important to note that Ospho is a rust inhibitor coating and not paint. RUSTED METAL OSPHO is a rust inhibiting coating-NOT A PAINT. It all depends on the quality of finish you would like to get. I went to their web site but from their description it sounds like a rust converter like Rustoleum's Extend, which I have used with good success, or it a rust encapsulator like POR-15?. Yes, an oil based primer may be applied over Rust Converter, but is not required. I don't think it's possible. Sands great by dry or wet sanding. It turns rust into the black something or other that is stable and you are able to paint over it. Contact Us - The Water Dispensers of the Vending Services are not only technically advanced but are also efficient and budget-friendly. The car has original paint and of course a good part of its life it has been outdoors. How do you paint after using OSPHO? //-->. The best multipurpose: WD-40 Specialist Rust Remover Soak. If you want to paint use self etching primer over the Ospho, after a light scuff. 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. It is with the use of Ospho rust treatment. You can have as many as you wish A forum community dedicated to hot rod owners and enthusiasts. Vending Services has the widest range of water dispensers that can be used in commercial and residential purposes. However, Rustoleum should serve you for an incredibly long time before it needs to be re-sprayed. Merely remove loose paint and rust scale, dirt, oil, grease, and other accumulation with a wire brush or pressure washer and let dry- apply a thin coat of OSPHO as it comes pre-diluted in the container. It always seems soft and easily scratched or removed. We use cookies to ensure that we give you the best experience on our website. You do need to let it dry, 1948 - 1956 F1, F100 & Larger F-Series Trucks, The following errors occurred with your submission, Discuss the Fat Fendered and Classic Ford Trucks, Lightning, Harley-Davidson F-150, Roush F-150 & Saleen F-150, Conventional (Bumper Pull) Towing; Travel Trailers & Pop-ups, Toy Hauler Towing; Fifth Wheel & Bumper Pull, Flatbed, Car, Boat, Utility, Horse & Misc. Would he have any references you could check with to verify his claim? We also offer the Coffee Machine Free Service. Come join the discussion about restoration, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! I will check it out though, thanks. OSPHO is easily effective for exterior and interior work alike. You could prime the rusty area with phosphoric acid, after wire brushing the loose stuff off. imagelinks[1]="http://www.ezboardwalk.com/" Whats the best way to apply ospho paint? The problem that arose is that where Ospho has contacted painted areas (some non-original rattle can stuff too) there is a tacky residue that does not completely dry. But can you use Rustoleum? After doing this, apply a coat of Ospho Let the metal air-dry completely before breaking out the primer. Flush with water, avoiding damage to adjacent areas; or wipe to a smooth finish, let dry, then paint. Vending Services (Noida)Shop 8, Hans Plaza (Bhaktwar Mkt. I figured any rust missed by the sandblasting was converted by the ospho. Phosphoric acid converts iron oxide to iron phosphate and stops further rusting. Because Of A Time Delay From Media Blasting To Applying The Primer I Need To Seal The Metal (fl. Now I'm concerned yet many have sworn by this product. Anybody have any experience on the subject? You want the 24 hours for the reaction to be complete is my understanding. Can you paint directly over OSPHO? I bought a gallon of Ospho and was going to apply it shortly after blasting and have him come back to paint 24 hours later. The machines that we sell or offer on rent are equipped with advanced features; as a result, making coffee turns out to be more convenient, than before. Or considering Ospho (which I have never used before) Which converts the rust to an inert substance and you can paint directly over with a (prefered) oil based paint such as rustoleum. Random Image Link Script- By JavaScript Kit(http://www.javascriptkit.com) Cookie Policy - You are using an out of date browser. If I was welding it post Ospho treatment, I'd definitely clean (grind clear) the area to be welded. i think you can spray and wipe off. 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. It is an effective yet affordable solution that cleans out dirt and corrosion. I had just forgotten. When applied to rusty metal, it interacts with the iron oxide forcing it to turn black or dark blue. Coffee premix powders make it easier to prepare hot, brewing, and enriching cups of coffee. Ospho, as mentioned earlier, is one of the best rust treatments. You have to remember Ospho is clean up with water. Their website says to let it dry a Some areas now have minor rust coming through. Been doing this for a while and ironically quite a few places on my 91 Golf. Alternatively, you can leave the Ospho as it is because it will prevent further corrosion. don't use Ospho (search the knowledge base)it's a last resort "try" to slow rust on parts that can't be blasted/sanded etc (inside "A" pillars?). The old painter that gave it to me told me to apply it with a pump up garden sprayer and let it dry well, then paint right over it. Mar 11, 2009. Could wrapping the keel in plastic after you apply it slow down the process? That is my actual question. You know WV the car body is in quite good condition actually. So, find out what your needs are, and waste no time, in placing the order. You must log in or register to reply here. The only exception when it makes sense to use two treatments is if the object is extremely rusty. $24.01. That's why you have to cover it with a barrier coat of some sort (your epoxy or whatever paint system). Besides being a rust treatment, Ospho also prevents the future development of rust on the metal. I do plan to hit t(e whole car with the sander before spraying. Privacy Statement - spray on the acid, work the areas with medium or heavy scuff pad. What happens to iron oxide when ospho is applied? Keep public away from danger area. on General Board, Started by bandmiller2 Started by LOGDOG It is strictly a rust treatment. //-->,