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BMW 3-Series (E90 E92) Forum
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FMJ Sealent Question
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05-24-2009, 09:15 AM | #1 |
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FMJ Sealent Question
I'm about to put a coat of Menzerna Full Molecular Jacket (FMJ) sealent on my car ...
Question is: Is it best to put this on with a Buffer (Porter 7424) using a Blue Pad? (or Black?) , and on what speed ? Or Should the best be done, by hand ? I also read that this should be left for 24 hours (after FMJ removal of course) for best adherence before waxing? Any truth to this or can I do a coat of FMJ , followed by my Nutty's wax? |
05-24-2009, 11:16 AM | #2 |
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Applying the FMJ is more of a preference thing whether or not you want to use a buffer or apply it by hand. Personally, I usually apply last step products by hand. I find it easier to spread thin and you are more accurate getting in tighter areas of the vehicle and it's faster for me.
If you do use a buffer to apply it, use a speed setting of 2 or 3 and a blue (or black) pad. Regarding the cure time, if you top it right away, you're going to sacrifice the durability of the FMJ. If the coat hasn't fully cured and bonded to the paint, when you wax over it you'd be primarily left with just wax on your paint and little to no sealant protection. If you weren't planning on waiting, there's almost no benefit in doing both steps other than spent time and product. I always recommend waiting for the first maintenance wash to top it with a coat of wax. This also gives you time to appreciate the look of the sealant and compare the differences after the wax is on there. Hope this helps, George |
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05-24-2009, 11:25 AM | #3 | |
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Another quickie: Any benefit to 2 or 3 coats of FMJ , each a couple of days apart ? Or is it sufficient to do one coat of FMJ , then top it after first wash with Natty's Blue (my favorite wax for Jet Black) Thanks again ! |
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05-24-2009, 01:00 PM | #4 |
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FMJ is one of the slickest LSP i've ever used in my life, it'ss so easy to remove too. don't forget to get HGAS too.
but the durability is terrible. i switched to Zaino this year. |
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05-24-2009, 01:27 PM | #5 | |
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However, nothing speaks more than actual experience using them. Thanks I'll look into it. |
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05-25-2009, 09:26 AM | #6 | |
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Also, if you're topping it with Natty's Blue, there's not much benefit of using HGAS on top. If you were to only use FMJ, then HGAS is a great product to use after maintenance washes to help bring back the surface slickness and extend the durability. FMJ is so easy to use, even if you only get 3 months of protection out of it, it's cake to apply another coat. Let us know what you think after you get a chance to use it. Cheers, George |
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