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格力空调为何不用铝代铜 董明珠:希望消费者用10年不坏
据格力电器介绍,铜是空调的核心原材料,占空调成本的20%左右,尽管同等情况下,铝材成本约为铜材的1/12 (价格约为1/4,密度约为1/3),但其在熔点、热传导系数、电阻率、耐腐蚀等参数以及长期可靠性等方面与铜存在较大差距。
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