What are the requirements for coating conformal glue? |
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| Reading Volume： 【 2136 】 | Time： 【 2018-03-20 】 | |
| Three-proof glue is no stranger to the electronics industry. Three anti-glue has other names, such as: UV Coating, Conformal Coating, coated glue, three anti-paint, conformal coating, circuit board protective glue and so on. So what should be paid attention to when applying the three-proof glue? Several major factors to solve the problem of [three-proof glue coating process]: The choice of three-proof glue and curing method (baking curing, UV curing, UV+moisture curing) Gulebang three-proof glue adopts UV+moisture curing Choice of coating methods (brushing, spraying, dipping, selective coating, etc.) Check carefully to understand the entire three-proof glue coating process Does the problem occur once accidentally or frequently Whether the stability of the three anti-glue is consistent with the test stage The general problems that affect the coating of the three-proof glue are: cracks, delamination, pollution, capillary phenomena, bubbles, orange lines, etc. In order to solve a series of three-proof glue coating problems, in addition to providing three-proof glue, Gulebang also provides a series of coating process recommendations (including coating production line, coating equipment, coating notes, etc.). The following is the way of three-proof glue coating: Brushing-universal use, can produce a good coating effect on a smooth surface Spraying-the use of spray cans can be easily applied to small-scale production, and spray guns are suitable for large-scale production, but these two spraying methods require high accuracy in operation and may produce shadows (Gulebang three anti-glue UV + wet Gas curing can solve this problem) Dip coating-can ensure a complete film, and will not cause material waste due to overspray Selective coating-coating is accurate and does not waste materials, suitable for large-volume coatings, but requires higher coating equipment |
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