Hobo. 2023 Maroon & White LP. Ospho is two-part phosphoric acid etching process that restores vehicles quickly and easily. If you are looking to treat rust on your metal surfaces then you may have heard of a product called Ospho. Contact Us SDS, A METAL TREATMENT-NOT Anything steel that is treated with ANY product containing phosphoric acid MUST be neutralized before any primer or paint can be applied. OSPHO also will "etch" the metal so any paint you apply will adhere much better. Can I apply cold galvanizing paint directly to the treated areas? Your purchases make finishing.com possible. Best used in direct sunlight or under an infra-red lamp. It is difficult to remove all the paint with the drill and steel brush. Iron Railings, Sheet Metal, Outside Tanks, Lawn & Farm Equipment, Marin #4. I've needle gunned & wire brushed the scale and rust followed by treating with the OSPHO (a phosphoric acid treatment) to the cleaned surface. works best if you can keep a bit of paint . I disassembled and media blasted the entire vehicle; The shell, basically encompassing everything from the firewall to the rear bumper, is now completely bare metal and mounted on a rotisserie. Galvanized fittings were used to join lengths of pipe and to make turns. etch Ferrous and Non-Ferrous metals by simply applying a thin coat. Should be good for bout 95 years. OSPHO is a rust-inhibiting coating. One other thingdo not apply bondo to bare steel. The acidity of the vinegar will react with the metal, treating the surface to promote paint adhesion. Ospho Metal Treatment: Pure Metal Cleaning Magic! An inert, hard substance that turns the metal black. Wooster Brush R212-4 1/2 Pipe Painter - Paint Rollers - Amazon.com This is normal and is not a cause for concern. RINSE WITH FRESH WATER. A. I am in the process of repainting a car from 1975. To the windmill restorer. get medical attention. 7018 is the conditional best welding rod for welding pipe fences. 3. Thank you so much! Skyco Ospho is more like Permatex rust converter in this regard. Q. I built a piece of equipment using regular mild steel plate and standard structural angles and square tubing. Your purchases make finishing.com possible. Extenders. You do not want to breathe phosphoric acid in an airborne state especially if you're in an enclosed area. Apply only as much stain as the wood can absorb. If you are treating a large surface you may need to apply multiple coats of Ospho.