A Features: 
 Chemical-three ex-fold blessing is a specially formulated synthetic paint coatings, mainly for the protection of PCB board and associated equipment from the environment, extending its life to ensure they are safe and stable work. These coatings and components fit the contours of sheet metal, forming a layer of light and flexible film (25-50μm), protect the circuit from chemical substances (such as fuel, cooling etc.), vibration, moisture, salt spray, humidity, and high temperature and other conditions of the hazards. These hazards may result in conformal coating of uncoated PCB board corrosion, mildew, or leakage, and then failure. 
 Second, the product: 
 Three anti-paint with good resistance to high and low temperature performance; its cured form a layer of transparent protective film, with excellent insulation, moisture-proof, leakage power, put shock, dust, corrosion, aging, anti-weak acid, weak base, anti-salt spray, corona resistant properties. Current products include acrylic, polyurethane, silicone and plastic, and other solar products. 
 Third, the use of three anti-paint the benefits: 
 These coatings can form an insulating layer of protection, the protection circuit from chemicals, moisture, and other pollutants and other environmental factors, thereby enhancing the reliability of printed circuit boards and security, to extend the life of printed circuit boards. 
 Because the three anti-paint to prevent leakage, the use of three anti-paint the PCB board can carry more power and smaller track pitch, which meet the requirements of the designer product miniaturization. Colored transparent paint and coatings can improve the appearance of PCB board, colored coating can also disguise the overall layout of the various components and to ensure greater security. 
 Fourth, typical application: 
 Anti-paint only the first three applications in high-tech fields. With consumers increasingly concerned about product quality and stability, while electronic devices more and more widely used in daily life, the use of three anti-paint manufacturers can improve product quality while reducing the warranty period due to failures resulting from high maintenance costs. 
 Typical applications include civil and commercial electronic equipment, automotive, aerospace, marine business, medical and industrial production. 
 1, the selection criteria: Since there are so many types of paint and a variety of three-three anti-A feature of paint varies, so choose the right paint and the correct use of it is very important. The main issues to consider: the work environment, electrical requirements, circuit board design, use, rework and repair. 
 2, the working environment: If you want to control or predict the exact operating conditions, without expensive, complex test equipment for testing is very difficult, so the best solution would be fully protected circuit to avoid being hurt. 
 Equipment, including physical problems faced by a sudden decompression (such as the aircraft climbs in the atmosphere) or office printer, continuous vibration at work, so flexibility and scalability is a film protection agent should have the important features. Sudden pressure or temperature changes, and throughout the life of the device, you need to check the material from time to time to ensure that no change in their characteristics. 
 3, electrical requirements: three anti-paint should have a high dielectric strength and breakdown voltage, the required minimum dielectric strength of the gap according to the track and adjacent tracks may be among the potential difference. 
 4, circuit board design: the design of the board should take into account those who do not have to paint coated parts location. These components include connectors, IC sockets, adjustable potentiometer and test points. If the design permits, these components should be placed on the side of the PCB board, coated circuit board to ensure that the minimum shelter area.