E-coat can produce uniform finishes with excellent coverage and outstanding corrosion resistance. ©1995-2021 finishing.com, Inc., Pine Beach, NJ, How Google uses data when you visit this site. J.M. Finally, the interior of a part can be coated since the exterior is fully insulated by the coating. There is no standard for E-Coat thickness. What are the film thickness capabilities for an electrocoat? About Us. Concentration of the paint (Non Volatile content) Both the e-coating process and powder coating process provide superior protection for metal surfaces and are based on the same principle of electrodeposition. For a given percentage solids and temperature, the set voltage will determine the final film thickness of the electrocoat. refers to the high-tech process of using an electrical current to deposit a coating onto a component. What's the standard thickness on e-coat? The process variables that have the most influence on film thickness in an electrocoat system are percent solids, applied voltage and bath temperature. A higher voltage will result in a thicker coating. }); While powder coating electrifies powdered paint particles, the e-coating process involves immersing th… In the past, some electrocoat engineers would increase film thickness by adding solvent to the bath. 1. Concentration of the paint (Non Volatile content) 2. The cured thickness of the electrocoating film is usually 0.6 to 1 mil. "palette": { 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. The coating systems economical benefits mean that it has in recent times been adopted by varying industries as an undercoat or finish of choice where cosmetics are less critical than performance. Using e-coat simulation technology allows an understanding and validation of the impact of a design change. Currently this is not possible due to the environmental restrictions on volatile organic compounds of the coatings and compliance with total organic emissions. Working on the principle that opposites attract, an e-coat system applies an electrical charge to either the metal part, or the fluid in the immersion tank. Good quality spray paints need to apply 12 – 18 microns to be certain of maintaining a 12 micron minimum. How Google uses data when you visit this site. } While powder coating electrifies powdered paint particles, the e-coating process involves immersing the surface in a liquid paint pool that is then electrified. 2. The higher the voltage, the thicker the film build.  2021, The Voice of the Finishing Industry since 1936, Learn What’s Coming for Finishing Technology, Trends in Automotive Manufacturing Knowledge Center, Dialing in Chemistries for a New Washer System, Plating with Zinc-Nickel: Benefits and Challenges, Wireless Carrier Fleet Provides Modular Overhead Conveyance. [...] 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 … Zooming in. Electronic coating thickness gauges for measuring on magnetic substrate materials use the electromagnetic induction principle. 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. E-coating (e-coat) is the preferred coating for many original equipment manufacturers (OEMs) in the automotive, agricultural and appliance industries. (adsbygoogle = window.adsbygoogle || []).push({}); Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. E-coat Offers a Precise Film Thickness of Paint. "button": { Varying those parameters enables the electrocoat system to build more or less film. The consistency is similar to baby powder or face powder. I manage an e-coat facility that works parts from the size of a quarter to a rear axle on an 18 wheeler. "background": "#fff", ©1995-2021 finishing.com, Inc., Pine Beach, NJ   -   About finishing.com   -  Privacy Policy In terms of a minimum however, it all depends. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. Measurement of film thickness can be done with many different instruments. You couldn’t replicate a paint chip like this in a million years on factory paint. Examples of Use: Electrocoat is found in a variety of industrial market segments. ... until the coating reaches the desired thickness. E-coat thickness can be controlled with the following parameters mainly. An electrocoat system has a very wide range of application parameters that can be modified to obtain the desired film thickness. new LazyLoad({ E-coating is able to deliver this within the range of 12 – 13 microns. The thickness of the coating is determined by the amount of electric current applied to the liquid. E-coat is also a better choice over powder coat if thickness is a concern, the paint is distributed more evenly without fluctuation. If you need a product/service, please check these Directories: Jobshops Capital Equip. Film thickness is regulated by the amount of voltage differential applied. With it being electrically deposited and its excellent throw power capabilities it has the ability to reach places where complex part configuration and high rack densities are present. The process works on the principal of "Opposites Attract". The formula to determine the square feet per gallon is (% of volume solids for electrocoat x 231) / (144 square inches x coating thickness in inches) One square foot is equal to 144 square inches. The coating thickness is limited by the applied voltage. There is no standard for E-Coat thickness. These techniques are destructive and may require recoating the part. This allows for … You're best off either asking your paint supplier or performing extensive testing on your own to determine the best thickness. Consult'g, Train'g, Software Environmental Compliance. Electro-coating, often referred to as e-coat, is a method of organic finishing which uses electrical current to deposit paint onto ferrous and non-ferrous surfaces. The higher solvent content of the bath increased the capability of the system to build more film. Typical electrocoat systems operate in film thickness ranges of between 18 and 28 microns. Process time } We need it pass 48 salt spray test. Coating thickness is an important variable that plays a role in product quality, process control, and cost control. Electrocoating is the process where metal parts are submerged in a solution of paint/water then electricity is used to deposit the paint onto the parts. E-Coat delivers a superior corrosion and chemical resistance, while maintaining a high-quality, resilient surface for paint of any color or finish. In other words, increasing the immersion time will not increase film thickness unless the previous immersion time was not sufficient to reach maximum thickness. 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. DC Voltage 3. Process time }, The paint is than attracted by one or the other being grounded. E-coat thickness can be controlled with the following parameters mainly. SYSTEM PROPERTIES END USERS Anodic Epoxy Low Temp Cure Agricultural Implements Automotive Parts Structural Steel Once the coating reaches the prescribed thickness, the part “insulates” and the coating process slows down. Understanding the equipment that is available for film thickness measurement and how to use it … E-coating is more environmentally friendly : Unlike many liquid coatings, there are no solvents to evaporate in the E-coat process. The higher the voltage, the higher the film deposited. "popup": { But your requirement seems to be very low at 48 hours. Each of these markets has specific performance requirements. window.addEventListener("load", function(){ Why E-coat is superior to powder coat for cast iron kettlebells. ElectroFin® uses a PPG POWERCRON® e-coat formulation 4. specifically designed to provide excellent edge coverage of fins with a unique polymer that controls the … Coating powders generally diminish in thickness during the curing process so these procedures requir… However, thickness can be achieved from 15 - 30 microns consistently; depends upon the component shape & customer requirements. Other factors such as dwell time, or immersion time and pH, may play a secondary role in film thickness as they are second-level factors. Thickness measurements of powder can be taken before and after curing. 15 Micron thickness E-Coat can easily withstand 480 hours Salt Spray test. In both cases, the coating is applied to a substrate in order to enhance corrosion protection, increase wear resistance, and promote adhesion. Footer. Powder coating cannot deliver much less than 30 microns and will normally work within a 30 – 60 micron range. A. 1. During the e-coat process, paint is applied to a part using a regulated amount of voltage to achieve the desired film thickness. The main task of this work was to study the influence of the different parameters on the electrolytic coloring process for aluminum. What are the maximum and minimum film thicknesses a system can obtain? Powder coating has many similar characteristics. As areas of high voltage build a coating they become insulators thus allowing lower voltage areas to build up. The kettlebells are then baked to cure the paint. Can a hole be removed if another one is made bigger? Copyright © However, some electrocoat applications only deposit between 8 and 10 microns for clear acrylic electrocoats, and others deposit 35-40 microns for epoxy electrocoats used in tough environmental conditions. Typical thickness is 0.5 to 1.5 mils but could even go up to 5 mils if required; Threads and holes do not require masking due to the thin coat The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful. However, some electrocoat applications only deposit between 8 and 10 microns for clear acrylic electrocoats, and others deposit 35-40 microns for epoxy electrocoats used … At that thickness, the film insulates the part, so attraction stops and electrocoating is complete. A higher pH signifies lower acid concentrations and thus lower attack on the deposited film. For a set voltage, increasing the solids or increasing the temperature will increase the film thickness. Build more film is found in a variety of industrial market segments generally! Is fully insulated by the amount of cubic inches in a variety of market!, applied voltage possible due to the bath increased the capability of the different parameters on e-coat. 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