have the Endurance High Gloss since autumn 2014 and more times used ... my experience is that it can hold three weeks depending on how much KM you drive and what kind of weather influences act! the processing is quite simple, but you should be careful because the stuff Bonds !!! so a little like honey I would think! The High Gloss is not for everyone because it leaves a greasy shine already, who examined what discreet is wrong here! no matte finish possible with the stuff!
I had the High Gloss, among other things also used for black plastic parts / Spoiler These factors have been back for a long time ... nice scharz