Originally Posted by Malekreza11
Anti-seize does not always hold up against everything and will eventually not work over time when subjected to a lot of heat and the elements.
Secondly, anti-seize should not be used on the face of the hub and the pad of the spacer as it creates an uneven mating surface which can lead to vibration. It should be used only around the hub.
Well, the reason that you don't need anti seize on the face of the hub is that the hub is aluminum! No galvanic corrosion there. Just the hub is steel.
No, you aren't going to get vibration from anti-seize on the face, it's a liquid.
And, the fact that it won't last forever (true!) is not a good reason not to use it! I wouldn't leave spacers on for more than 3-6 months depending on how rainy/humid/salty it is where you live. I always install aluminum spacers with anti seize.