{"id":33543,"date":"2025-04-08T15:09:34","date_gmt":"2025-04-08T07:09:34","guid":{"rendered":"https:\/\/www.ray-tron.com\/?p=33543"},"modified":"2025-04-08T15:09:41","modified_gmt":"2025-04-08T07:09:41","slug":"where-is-copper-clad-aluminum-strip-not-suitable-for-use","status":"publish","type":"post","link":"https:\/\/www.ray-tron.com\/en\/where-is-copper-clad-aluminum-strip-not-suitable-for-use\/","title":{"rendered":"Where is copper clad aluminum strip not suitable for use?"},"content":{"rendered":"<p><a href=\"https:\/\/www.ray-tron.com\/en\/tongbaolvdai\/\" data-internallinksmanager029f6b8e52c=\"178\" title=\"Copper clad aluminum strip manufacturer_Copper clad aluminum wire supplier_Copper clad aluminum strip wholesaler manufacturer\">Copper clad aluminum strip<\/a>Although CCA tape has the advantages of light weight, low cost and acceptable conductivity, its performance may not meet the requirements of long-term stable use in certain specific environments.<strong>Not suitable for copper clad aluminum strip<\/strong>Several typical environments and occasions:<\/p><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h3 class=\"wp-block-heading\">\u274c Environments not suitable for using copper-clad aluminum strips:<\/h3><h4 class=\"wp-block-heading\">1. <strong>Highly corrosive environment<\/strong><\/h4><ul class=\"wp-block-list\"><li><strong>Such as: seaside, high salt fog area, chemical plant<\/strong><\/li>\n\n<li>Reason: The air contains a large amount of corrosive components such as chloride ions and sulfides, which will accelerate the oxidation of the copper layer. Once the copper layer is damaged, the aluminum base is exposed and is more susceptible to corrosion, resulting in a decrease in conductivity or even breakage.<\/li><\/ul><h4 class=\"wp-block-heading\">2. <strong>High humidity environment (long-term heat and humidity)<\/strong><\/h4><ul class=\"wp-block-list\"><li><strong>Such as: tropical rain forest areas, underground humid places<\/strong><\/li>\n\n<li>Reason: Long-term moisture will cause the copper layer to oxidize and fall off, and at the same time the risk of electrochemical reaction of aluminum will increase, resulting in &quot;aluminum corrosion&quot; phenomenon.<\/li><\/ul><h4 class=\"wp-block-heading\">3. <strong>High temperature environment<\/strong><\/h4><ul class=\"wp-block-list\"><li><strong>Such as: in a closed box, in an outdoor high temperature exposure area<\/strong><\/li>\n\n<li>Reason: High temperature will accelerate the &quot;delamination&quot; and bulging caused by the difference in thermal expansion between the copper layer and the aluminum base; exceeding the operating temperature range (&gt;105\u00b0C) may also cause material aging.<\/li><\/ul><h4 class=\"wp-block-heading\">4. <strong>High frequency vibration\/frequent mechanical shock<\/strong><\/h4><ul class=\"wp-block-list\"><li><strong>Such as: transportation equipment, high-frequency moving parts of electric vehicles<\/strong><\/li>\n\n<li>Cause: When the copper layer is not firmly bonded, long-term vibration will lead to metal fatigue, causing the copper layer to peel off or crack.<\/li><\/ul><h4 class=\"wp-block-heading\">5. <strong>Critical circuits requiring high current or extremely low resistance<\/strong><\/h4><ul class=\"wp-block-list\"><li><strong>Such as: high-precision instruments, trunk transmission lines<\/strong><\/li>\n\n<li>Reason: Although copper-clad aluminum can meet certain conductivity requirements, its conductivity is still lower than that of pure copper and is not suitable for use in the main current channel with extremely high electrical performance requirements.<\/li><\/ul><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h3 class=\"wp-block-heading\">Summarize:<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Environment Type<\/th><th>Is it suitable to use CCA belt?<\/th><th>Reason<\/th><\/tr><\/thead><tbody><tr><td>Seaside and salt spray areas<\/td><td>\u274c Not Suitable<\/td><td>High risk of corrosion, copper layer easily falls off<\/td><\/tr><tr><td>Hot and humid environment<\/td><td>\u274c Not Suitable<\/td><td>Easy to oxidize and corrode aluminum<\/td><\/tr><tr><td>High temperature exposure or closed box<\/td><td>\u26a0\ufe0f Use with caution<\/td><td>Thermal stress affects copper-aluminum bonding<\/td><\/tr><tr><td>High vibration, high shock<\/td><td>\u274c Not Suitable<\/td><td>Copper peeling risk<\/td><\/tr><tr><td>High current mains, power lines<\/td><td>\u274c Not Recommended<\/td><td>The conductivity is not as good as pure copper<\/td><\/tr><\/tbody><\/table><\/figure><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><p>Of course, if the copper-clad aluminum strip is produced by a professional manufacturer (such as<a href=\"https:\/\/www.ray-tron.com\/en\/\" data-internallinksmanager029f6b8e52c=\"19\" title=\"Ruichuang 2\">Raytron<\/a>) is provided, and enhanced processing (such as thick copper layer, reliable composite process, high-quality coating) is adopted, and good packaging and protection measures are taken in the system, and it can also be used under some marginal conditions.<\/p>","protected":false},"excerpt":{"rendered":"<p>Although copper-clad aluminum strip (CCA strip) has the advantages of light weight, low cost, and acceptable conductivity, its performance may not be stable in the long term under certain circumstances 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