Paint common sense: analysis of milky white mist on the surface of automobile paint film

It is suggested that the milky white mist on the surface of automobile paint film is due to the condensation of water vapor and its entrapment in the wet paint film The main reasons are as follows: (1) It is cold and humid when painting (2) The diluent used is drying too fast or of poor quality (3) The pressure of compressed air is too large, and the spray gun is not adjusted properly (4) Using compressed air to blow the paint film, try to accelerate the solvent evaporation (5) There is a draught in the paint spraying room, or insufficient heating and air flow Prevention methods: (1) When possible, avoid painting in rainy, cold and humid weather and allow the paint film to dry naturally no Paint agent, top 10 Chinese wall paint brands Recommended introduction: interior wall paint and exterior wall paint can achieve beautiful, clean and pleasant effects, but the effects in different environments are different, so the color of the paint will be different There are ten brands of Chinese paint, ten brands of global paint, ten brands of Chinese wall paint, and ten brands of Chinese paint, Famous trademark of Chinese paint and coating In private rooms, most of us choose according to our own personality, personal hobbies and living habits The younger generation will choose the interior wall paint with rich colors and bright colors, while the older ones will have some working experience Paint Home News: the milky white mist on the surface of automobile paint film is due to the condensation of water vapor and sinking in the wet paint film The main reasons are: (1) cold and humid weather when spraying paint (2) The diluent used is drying too fast or of poor quality (3) The pressure of compressed air is too large, and the spray gun is not adjusted properly (4) The compressed air is used to blow the paint film in order to accelerate the solvent evaporation (5) There is a draught in the paint spraying room, or insufficient heating and air flow Prevention methods: (1) when possible, avoid painting in rainy, cold and humid weather and let the paint film dry naturally Otherwise, a non foggy diluent should be used (2) Use an appropriate grade of diluent (3) Reduce the pressure of compressed air to reduce the cooling effect (4) The spray paint room shall be properly heated and ventilated to avoid ventilation Repair methods: (1) when the film is slightly fogged, it can be repaired by polishing after the film is completely cured (2) When the film fogging is serious, the surface of the film can be ground flat, and then the appropriate level of diluent or non fogging diluent can be used for re spraying (3) If the above method can not work, the temperature of the spray booth can be increased to more than 5 ℃ To avoid direct blowing through, the defective parts shall be polished flat, and then spray again (4) When repairing, it should be noted that when the color paint layer is fogged, it may indicate that there are similar defects in each primer bottom layer Due to the dull surface of primer, this defect is not easy to be found But this kind of defect can sometimes cause the bubble of paint layer or reduce the binding force between different paint layers Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,