GB/T 20633.3-2011
ActiveCoatings for loaded printed wire boards (conformal coatings) - Part 3：Coatings for general purpose (Class 1), high reliability (Class 2) and aerospace(Class 3)
承载印制电路板用涂料(敷形涂料) 第3部分：一般用(1级)、高可靠性用(2级)和航空航天用(3级)涂料
Application Summary AI generated
This standard specifies performance requirements and test methods for conformal coatings applied to printed wire boards, categorized into three reliability classes: general purpose (Class 1), high reliability (Class 2), and aerospace (Class 3). It is used in the electronics industry to ensure coatings protect circuit assemblies from moisture, dust, and chemical contaminants, with Class 3 specifically applied in aerospace and military electronics where extreme environmental resistance is critical.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.