引用:
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作者gdrs
WD40不是潤滑專用的啦~和恐龍一樣都是除鏽用
真的要潤滑還是要靠潤滑油、車針油，比較不會乾掉
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引用:
THE FIVE BASIC FUNCTIONS:
LUBRICATES: WD-40's lubricating ingredients are widely dispersed and hold firmly to all moving parts.
CLEANS: WD-40 gets under dirt, grime and grease to clean. It also dissolves adhesives, allowing easy removal of labels, tape, stickers, and excess bonding material.
PROTECTS: WD-40 protects metal surfaces with corrosion-resistant ingredients to shield against moisture and other corrosive elements.
PENETRATES: WD-40 loosens rust-to-metal bonds and frees stuck, frozen or rusted metal parts.
DISPLACES MOISTURE: Because WD-40 displaces moisture, it quickly dries out electrical systems to eliminate moisture-induced short circuits.
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資料來源：http://www.wd40.com/products/
應該說是多用途的「液體」，如同官方網頁所述，可以潤滑、清潔、保護金屬表面、滲透與抗鏽
不過的確潤滑的用途只能用在輕度的潤滑而已，要來對付負荷較大的狀況，WD40很容易就耗損掉了
但我個人認為，和你一樣，我覺得除鏽的功能比潤滑好太多了