Step 2: For areas of the powder coat that you do not wish to remove, cover them with some paper bags. Chemical stripping. Leave the object to sit for 15 to 20 minutes; you should notice the coating start to bubble and peel. We will examine each of these separately and discuss their drawbacks. The finish is a low gloss or satin and most removers are pretty harsh. Any thoughts and/or ideas fellas? Cut through paint and coatings on powder-coated metal and plastic. This method uses temperatures of 650 – 750 degrees Fahrenheit and will take about 3 to 6 hours to clean off powder coating. The heat is transferred to the medium and the gas/air pressure “fluidizes” the medium, just like a fluidized powder hopper. Thermochemical cleaning methods use a combination of temperature and chemical reaction to strip the coating from the part. This process will not completely strip the product to bare metal, and the residual ash must be removed to prevent fouling of subsequent pretreatment, coating and curing processes. Inline systems are always more expensive than batch stripping systems. The only exception is when a part requires spot repair. The oven temperature is set between 650-750F, which is generally the temperature where the coating will degrade and eventually ignite. The hot strippers are usually caustic and degrade the coating from the part by causing it to swell, dissolve, etc. How fast do you want to strip the coating from the part or hangers? Once rinsed and washed, you may need to use a razor to scrape off any coating that the stripper didn't remove. The three main methods of removing powder coating. The three main techniques used for powder coating removal.  2021, The Voice of the Finishing Industry since 1936, Learn What’s Coming for Finishing Technology, Trends in Automotive Manufacturing Knowledge Center, Plating with Zinc-Nickel: Benefits and Challenges, December Issue: Agricultural, Industrial Markets, Wireless Carrier Fleet Provides Modular Overhead Conveyance. Each system whether its bake off, burn off, or fluidized beds will utilize heat but at different temperatures and can remove powder coating faster or slower depending on which system is chosen. #asktheexpert. We have seen customers maximize transfer efficiency with up to 98% product utilization for coating operations, which in plain English means less product gets wasted during the coating process. Wipe off the gasket remover and loosened powder coating with a disposable rag. Let papers settle in for several minutes. You may need to reapply as some areas will be missed the first time. But if you’re planning to do it yourself, you will have to use a solvent treatment. Burn-off stripping systems expose the products to be stripped to much higher temperatures, between 1,000-1,200F. Normally these systems are used in batch type operations, but they can be automated for inline processing of hangers. What effect will the stripping process have on the hangers and/or parts? It is a petroleum-based chemical that cuts through stains and other sticky spots on the car’s surface. Water quenching is used to extinguish the fire and to remove the residual ash. What methods are available for removing cured powder coatings, and what are the pros and cons of these methods? Hang the aluminium object up via hooks so that you can easily access it all the way round. Each of the three methods – chemical stripping, thermal stripping and abrasive blasting – have benefits and disadvantages which may affect their suitability for your project.If you are removing coating in order to apply a new coat, remember: Surface preparation is paramount for an effective and successful coating application. After 10-15 minutes, the powder coating will bubble and peel. You can remove powder coating with a chemical stripper, media blasting, or a burn-off oven. Testing products like Goo Gone, Simple Green even using a clay bar at one point etc I ended up using Goof Off with a well used dish washing pad. My prescription hasn’t changed much – the problem is that the UV filter coating is starting to wear off, giving the entire lens surface a rough, partially-opaque finish. That's it! Every powder coater has to face this problem eventually, either for cleaning racks and hangers or stripping parts that were rejected. Your part should be stripped down to the bare metal. B17 will remove most powder coatings … As the name implies, these media are “shot” at the coated surface, removing the coating via abrasion. Goof Off is a remover that acts as an adhesive remover on the car’s paint. This process is used as an inline stripping method and uses a water spray to clean chemicals and residue from the parts/hangers. Goof Off on car paint is popular as a residue remover that helps car owner in keeping their cars clean and shiny. Powder coating products often contain no hazardous waste and have low VOC (Volatile Organic Compounds) or HAPs (Hazardous Air Pollutants) content, in order to meet today’s environmental demands. This is a great example of “time is money,” since most of the faster stripping methods are usually the most expensive to purchase and operate. Normally these systems are used as inline processes, either directly on the process conveyor or on spur lines operating at up to 6 fpm. 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