The definition of three anti-paint PCB electronic circuit board protective oil |
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| Reading Volume： 【 1873 】 | Time： 【 2016-08-25 】 | |
| Three anti-paint is a kind of specially formulated paint, used to protect circuit boards and related equipment from environmental erosion. The three-proof paint has good resistance to high and low temperature; it forms a transparent protective film after curing, which has excellent insulation, moisture resistance, leakage resistance, shock resistance, dust resistance, corrosion resistance, aging resistance, corona resistance and other properties. Three-proof paint is also called PCB electronic circuit board protection oil, covering oil, moisture-proof paint, three-proof paint, waterproof glue, insulating paint, anti-corrosion paint, salt spray paint, dust-proof paint, protective paint, covering paint, three Anti-glue etc. Three anti-paints are called according to the requirements and focus of each region and each manufacturer, such as three anti-glue, moisture-proof glue, insulating glue, moisture-proof paint, protective paint, protective paint, coating glue, coating glue , Waterproof glue, moisture-proof oil, three-proof oil, three-proof agent, protective agent, moisture-proof agent, conformal coating, conformal coating, conformal coating, common coating, the English name is Conformal Coating. Three anti-paint is a kind of specially formulated paint, used to protect circuit boards and related equipment from environmental erosion, thereby increasing and prolonging their service life, ensuring the safety and reliability of use. Under real conditions, such as chemical, vibration, high dust, salt spray, humidity and high temperature, the circuit board may have corrosion, softening, deformation, mildew and other problems, which may cause the circuit board to malfunction. The three-proof paint is coated on the surface of the circuit board to form a layer of three-proof protective film (three-proof refers to the anti-moisture, anti-salt spray and anti-mildew). Under conditions such as chemical substances (such as fuel, coolant, etc.), vibration, humidity, salt spray, humidity and high temperature, the circuit board that is not used with the three-proof paint may be corroded, mold growth and short circuit, etc., causing the circuit In the event of failure, the use of three-proof paint can protect the circuit from damage, thereby improving the reliability of the circuit board, increasing its safety factor, and ensuring its service life. In addition, because the three-proof paint can prevent leakage, it allows higher power and closer printed board spacing. So as to meet the purpose of miniaturization of components. The circuit board transparent protective agent can form a transparent protective film on various printed circuit boards to prevent leakage and short circuit. The circuit board transparent protective agent can prevent the erosion of weak acids and alkalis, alcohol, moisture, as well as mold and salt spray, and the circuit board transparent protection The agent is resistant to high temperature and will not drip when exposed to heat. The circuit board protected by the circuit board transparent protective agent can be tinned again. The main function of the circuit board transparent protective agent is waterproof, moisture-proof, improve the insulation strength, and isolate the contact of wires, cables, wire connectors, switch boxes, etc. with the air. It can also be used in TV sets to prevent corona caused by leakage of high-voltage packages and other components. It can also prevent fire gas from corroding high-frequency antenna communication transmission equipment and electronic equipment from salt spray. |
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