別忘了GL-4的極壓劑含量已經有減少了。
侵蝕抑制劑的英文叫做Corrosion inhibitor。
它是一種很常見的添加劑通稱，而且種類很多，功效也不一樣，
有些對銅的侵蝕產生減緩效果，有些則是對鋁的有效果。
甚至還有多效型抑制劑(除了防銅的侵蝕，對鐵也有防鏽功能之類)
可以看看這家公司的抑制劑產品介紹
https://www.vanderbiltchemicals.com/rtv_chem/markets/petroleum-gear-oil-additives-corrosion-inhibitors
潤滑油公司也常在宣傳廣告他們自家產品有添加侵蝕抑制劑
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例如...這家
http://sct.autodevel.com/en/?action=accessory_chemical_preview&name=Universal%20Getriebeoel%2080W-90
Due to the use of last-generation corrosion inhibitors, it effectively protects metal parts from all types of corrosion;
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還有這家
https://runol.net/wp-content/uploads/2021/09/SCHALTEN-RS-4-1.pdf
SCHALTEN RS 4 mineral gear oil is specially formulated for multipurpose, extreme pressure applications,
including conventionaldifferentials, gear boxes, limited slip rear axles, manual transmissions and hypoid gears.
Contains only high-quality paraffiniclubricating oils and the most technologically advanced additive system,
which includes extreme pressure, anti-wear, anti-frictionagents and oxidation and corrosion inhibitors.
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還有這家
https://venomoil.de/product/venom-gear-oil-gl-4-semi-synthetic/
includes extreme pressure, anti-wear, anti-friction agents and oxidation and corrosion inhibitors.
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還有這家
which includes extreme pressure, anti-wear and anti-friction agents, and oxidation and corrosioninhibitors
●Helps prevent foaming, rust and corrosion.
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還有這家
https://cglapps.chevron.com/msdspds/PDSDetailPage.aspx?docDataId=383433&docFormat=PDF
Special mild-EP additive and corrosion inhibitor system is non-corrosive towardssensitive copper
(這家有提到他的齒輪油有低量的EP極壓劑和侵蝕抑制劑，就是要保護銅，另外也可以防鏽)
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還有這家
http://uslube-chicago.com/index.php/product-detail-trucks/175-us-lube-geartech-gl-4
US Lube Gear Oil GL-4 is blended from selected base stocks and additives that yield a lubricant of exacting quality.
This product is compounded utilizing sulfur phosphorus GL4 chemistry
and contains foam suppressants as well as corrosion inhibitors which are specially designed to protect bronze alloys
(這家講得最清楚，它的侵蝕抑制劑就是用來保護青銅)
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我想除非你是很有份量的人，不是大老闆就是他們的大客戶，不然工廠是不會理你的，快去參加跨年吧！新年快樂~~~
本文最後由 adad1980 於 2021-12-31 18:37 編輯
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本文最後由 slideway 於 2022-1-1 18:26 編輯 
