How to deal with grinding marks on car paint surface？ 1. Definition: Swirl-like sanding marks in the substrate appearing on topcoats or on refinish surfaces. 2. Reason: (1) The substrate was sanded with too rough sandpaper. Due to the thicker film formation, the paint shrinks more at the sanding marks. (2) The drying time of the base coat was not followed correctly: Due to the expansio
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How to spray Clear coat well ? Whether the car clear coatis sprayed well or not, the primer layer is the key. The primer layer is sprayed rough, uneven, and poorly dried. No matter how good theclear coatis sprayed, it is a waste. After the proportion of the manufacturer is prepared, the spraying of the clear coat is generally 2 to 3 times. For the first time, use semi-dry and wet spraying, do
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How to deal with wet blistering of car body paint surface in car spray painting? Wet blistering on the paint surface of the car body: Pock-like small bubbles are evenly distributed, with different sizes, which are easy to appear in very hot and humid conditions. These bubbles disappear when the air humidity is reduced, and the paint film becomes flat. (1) Cause: ①The mutual adhesi
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Car paint is like human’sclothes, it can protect and decorate thebody. Usually, the car paint surface is exposed to the air for a long time, including rain, dust and other dirt, which will hurt the cars a lot, so what problem might happen to your car paint? Water streaks can appear in any type of car paint. The water mark pattern is ring-shaped, which is the trace left by the evaporation of water droplets. The chemic
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Have you ever experienced discoloration of your car paint? This is a very troublesome thing, because it will affect the aesthetic effect of the paint surface directly, so why the color changes after spraying auto refinish paint? 1.Poor quality of the car paint, or the shelf life has passed, leading in the loss of the paint performance. 2.Not mixing the auto paint in accordance with color card, or incorrect mix
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Paint oxidation can be dealt with by grinding and polishing. After grinding and polishing, the oxide layer of the paint surface is removed, which can make the vehicles look radiant and brand new again, and the color and luster can temporarily return to the state of the new car. Then do the coating film. Coating is to stick the car paint protective film on the surface of the car body to isolate and protect the car paint.
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The hardener is mainly used with 2K car paint and 2K clear coat (varnish), because the paint group needs to undergo a cross-linking reaction with the hardener group to form a polymer, in order to improve the hardnessof the paint film. The hardener needs to have the function of weather resistance, yellowing resistance and chemical resistance. The solid content of varnish is different, so need to use with the m
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The brightness and DOI (distinctness of image) of the car varnish film are the clarity of the projected scene on the surface of the paint film, which is mainly related to the smoothness and gloss of the varnish. It is used to represent one of the decorative properties of the paint film appearance. Poor DOI means poor decoration of the paint film. It could be told by visual inspection or by measuring with special instruments.
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The main function of the automotive paint is to make the object to be painted colored, and to have hiding power on the surface of the product. But sometimes when doing the paint construction, you will encounter poor hiding power. The new color paint layer cannot completely cover the original paint color, or the color of the old paint film has penetrated into the top coat layer, changing the sprayed new top coat color. So wha
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Spraying putty and 2K primer is part of the car paint repair process. During which, many touch-up defects will be encountered, and one of the common is the cracking of the putty filling area or the primer layer, which leads to the cracking of the topcoat layer. Why does this happen? 1. The putty layer or 2K primer layer is too thick, and the drying time between each layer is not enough, so the surface of the putty
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Due to the many complicated processes involved in auto refinishing, there might be spraying paint flaw during the time. After spraying the topcoat, sometimes it is found that the paint surface is not smooth and grainy. Why are these dirty spots wrapped in the paint film? Cause Analysis: 1. The metal has not been cleaned throughly, there's dust, sand and other dirty things. 2. The construction environment i
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It is very common for cars to collide in daily driving. A small collision may rub off the paint on the car, so it is relatively common to refinish the paint. Because some technicians are not very experienced, it is easy to cause some small defects on the paint surface during repairing the cars. For example, after spraying car paint, the repaired area has a subsidence of the paint surface, and the surface of the topcoat forms
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Wet Marks or Wax Marks means, from the surfacer of the carpaint layer, we can see the outline of the contaminated area on the under coat layer, or the appearance of matt spots of various shapes. The reason for this defect is due to the following: 1. The surface of the substrate is not cleaned thoroughly before spraying auto paint, for example, grease or wax substances are not completely removed; 2. Th
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During the spraying or drying process of the paint film, the surface of topcoat sometimes appears a phenomenon of wrinkles or shrinkage. What is going on? 1. Improper drying methods lead to uneven drying of the paint surface. If the newly sprayed paint layer is dried or forced dry too quickly, or if the paint shop temperature is too high, the paint on the surface dries faster, which will delay the drying of the inn
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Auto refinishing is a complex process with technical requirements. Among them, the color mixing is a very complicated and important step, so how should we mix the pearl color Auto Paint? 1. Confirm the hue and choose the main basecoat. First of all, it is necessary to judge the color difference between the front and side hues accurately. When you're not familiar with the basecoat colors effect, it is recommende
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Automotive Plastic Primer is a fast drying, one component transparent primer with adhesion function. It is generally used to spray plastic products such as car bumpers and car interiors. The purpose is to improve the adhesion between color car paint and plastic substrates. It has excellent corrosion resistance, moisture resistance and chemical resistance. So how to use plastic primer and what is its construction pr
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