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The use environment of copper-clad aluminum welding strip has a great influence on its performance and life. A reasonable environment can extend the service life and maintain stable conductive performance. The following are the common use environment requirements and precautions for copper-clad aluminum welding strip:

Suitable use environment

1. Temperature range
   • Ideal operating temperature:-40℃ to 85℃
   • Limit operating temperature: should not exceed 105℃
   • Long-term use in a high-temperature environment will accelerate the oxidation of the copper layer and the aging of the aluminum substrate, affecting conductivity and mechanical strength.
2. Humidity Control
   • The relative humidity should be maintained at ≤85%
   • Long-term humid environment may cause oxidation or electrochemical corrosion of the copper layer, especially when the copper layer is damaged, the internal aluminum is easily corroded.
3. Environmental cleanliness
   • Avoid the influence of dust, acidic or alkaline corrosive gases
   • Chemical corrosive substances (such as chlorides and sulfides) will accelerate the shedding of copper layers or the corrosion of aluminum bases.
4. Avoid long-term direct exposure to ultraviolet rays
   • Long-term ultraviolet radiation will accelerate material aging. It is recommended that the components be packaged before use.

Unfavorable use environment

• High salt fog area(Such as at the seaside) Without good packaging protection, metal corrosion is likely to accelerate.
• Areas with frequent acid rain, the packaging sealing of the components needs to be strengthened.
• High vibration or frequent mechanical shockIf the copper cladding is not firmly bonded, it may cause cracking and peeling.

Protection and life extension suggestions

• Before useCheck copper layer integrity, avoid aluminum exposure;
• Perfect packaging process, avoid moisture from entering;
• Use during storage and transportationSealed dry packaging, prevent oxidation;
• Note in actual installationTensile force limit and bending radius, to prevent the welding strip from being damaged.