GL1800Riders - View Single Post - Silicate free anti-freeze
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post #6 of (permalink) Old 02-12-2017, 05:19 PM
GLblinded
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Join Date: Mar 2015
Location: Willow River,mn.
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I'm not totally up on 'silicate' or a variable of sand (maybe dissolved in the A/F?), but I am familiar with the requirement for 'phosphate free' A/F needed for VW's. It was mainly a concern in European countries due to water quality. I would bet that there isn't much of a worry of 'silicate' in A/F available in the U.S.A. After all, most cars are running 10 year or 'lifetime' A/F in their vehicles. And that stuff couldn't hold up that long with dissolved rock in it. It seems that a quick google says that it's silicone based rock oxides that could corrode the soft metals in engines. It doesn't give any geographic concentration.

Last edited by GLblinded; 02-12-2017 at 05:23 PM.
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