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是不是拉丝的油好?

问答题
2023-03-06 15:46
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正确答案

不少人认为,拉丝的油够粘,润滑性好,这是一种错误的观点。一般带“W”的机油都是用增粘剂来调和,增粘剂剪切性能不好时就会呈现拉丝状态,这些油使用后很容易变稀,以至不能保持润滑而损坏机器,因此拉丝油反而是差油,最好不要使用。


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