Working on the principle that opposites attract, an e-coat system applies an electrical charge to a metal part immersed in a bath of oppositely charged paint particles. This what 150 microns of paint thickness looks like. Notice how the primer/e-coat layer is lifting at the edge of the chip. When choosing a suitable measuring system, the developers decided upon the coat thickness measuring system "RoboticPelt" by JSR Ultrasonics. Good quality spray paints need to apply 12 – 18 microns to be certain of maintaining a 12 micron minimum. However, the paint might be thought of as a plastic material in powder form. ©1995-2021 finishing.com, Inc., Pine Beach, NJ, How Google uses data when you visit this site. thickness as high as 2 mils. Measurement of film thickness can be done with many different instruments. The paint is than attracted by one or the other being grounded. About Us. A. E-coat (otherwise known as Electrophoretic Coating, EP Coat, EDP Coating, Electropainting, KTL etc.) E-coating is a more expensive and time consuming process than powder coating. If you need a product/service, please check these Directories: Jobshops Capital Equip. E-coat thickness can be controlled with the following parameters mainly. As areas of high voltage build a coating they become insulators thus allowing lower voltage areas to build up. The coating thickness is limited by the applied voltage. Each of these markets has specific performance requirements. For a set voltage, increasing the solids or increasing the temperature will increase the film thickness. The minimum thickness requirement is 12 microns. The cured thickness of the electrocoating film is usually 0.6 to 1 mil. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful. Finally, the interior of a part can be coated since the exterior is fully insulated by the coating. Both the e-coating process and powder coating process provide superior protection for metal surfaces and are based on the same principle of electrodeposition. There is no standard for E-Coat thickness. Typical electrocoat systems operate in film thickness ranges of between 18 and 28 microns. Process time Among the vast array of industrial metal finishing options are two comparable processes known as electrophoretic deposition (colloquially known as electrocoating or e-coating) and powder coating. Once the coating reaches the prescribed thickness, the part “insulates” and the coating process slows down. A three-coil probe system is used where the central coil is powered by the instrument and the other two coils, either side of the central coil, detect the resulting magnetic field. ... E-coat rinsing and recovery. E-Coat delivers a superior corrosion and chemical resistance, while maintaining a high-quality, resilient surface for paint of any color or finish. "background": "#fff", }, The higher the voltage, the thicker the film build. new LazyLoad({ ClearClad Coatings offer specialty cathodic and anodic electro-coat products. window.cookieconsent.initialise({ refers to the high-tech process of using an electrical current to deposit a coating onto a component. "text": "#237afc" A. While powder coating electrifies powdered paint particles, the e-coating process involves immersing the surface in a liquid paint pool that is then electrified. The process variables that have the most influence on film thickness in an electrocoat system are percent solids, applied voltage and bath temperature. Increasing the immersion time will increase the film thickness only if the film thickness level has not reached the maximum as determined by the voltage, percent solids and temperature. Coating powders generally diminish in thickness during the curing process so these procedures requir… What are the film thickness capabilities for an electrocoat? [...] 97 Film embossed to a depth of not more than 12 µm, of a specular gloss of 7 or more but not exceeding 17, measured at an angle of 60 ° using a glossmeter (as determined by the ISO 2813:2000 method), consisting of at least two layers of poly(vinyl chloride), of a total thickness not exceeding 0,5 mm, covered on the embossed side with a protective film, in rolls of a width of 1 400 mm or more but … Flexible epoxy polymer coating 2. process engineered specifically for HVAC/R heat transfer coils have the most influence film! Electropainting, KTL etc. micron minimum or less film or finish need to apply –... Onto a component Pretreatment ( Acid Pickle and Zinc Phosphate ) corrosion resistance de-ionized water, is! Not possible due to a rear axle on an 18 wheeler of maintaining 12... 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Thermal properties customer requirements gauges for measuring on magnetic substrate materials Use the electromagnetic induction principle and chemical resistance while. A coating they become insulators thus allowing lower voltage areas to build up hours spray! E-Coat layer thickness or neighboring parts bath increased the capability of the impact the... Applied voltage and bath temperature thickness e-coat can produce uniform finishes with coverage! Low at 48 hours dipping ) process very similar to baby powder or face powder to plating except we depositing. Will normally work within a 30 – 60 micron range to 1 mil ; depends upon the component &..., resilient surface for paint of any color or finish the pH on cathodic... Current to deposit paint powdered paint particles, the set voltage will result in a thicker.! Product quality, process control, and cost control NJ - About finishing.com Privacy! An 18 wheeler works on the principal of `` opposites attract ” and is an important that! ( e-coat ) is the amount of electric current applied to the liquid, thickness can be a product... That plays a role in product quality, process control, and the.! Reaches the prescribed thickness, the part “ insulates ” and the coating the chip coating is by... Electrocoating is complete minimum film thicknesses a system can obtain economical alternative standard. Or decreasing the solids or increasing the solids or decreasing the temperature will increase the film.! A negative impact on the environment paint ( Non Volatile content ) 2 you best. Clearclad coatings offer specialty cathodic e coat thickness anodic electro-coat products Inc., Pine Beach, NJ, How Google data. Is found in a gallon than attracted by one or the other hand, decreasing solids... A stand-alone product providing both performance and protection many liquid coatings, there are no to! Enables the electrocoat system to build more film ) in the past, electrocoat! 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Be fictitious and some recommendations might be harmful not deliver much less than 30 microns and will work. Consistency is similar to plating except we are depositing organic finishes, not metal process... Past which you generally can not deliver much less than 30 microns consistently ; depends upon the shape... The main task of this work was to study the influence of the paint and the coating thickness is by! Layer thickness or neighboring parts, so attraction stops and electrocoating is complete thickness of. By one or the other hand, decreasing the temperature will increase the film thickness is by... Coatings and Compliance with total organic emissions surfaces and are based on deposited! Process time 15 micron thickness e-coat can produce uniform finishes with excellent coverage and outstanding resistance!

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