hi Detailers

tomorrow i wil get my "new" seat altea silver colour. i'm gonna use megs d300 on a mfpad(megs) and then sonax ex0406 on a yellow foam pad(rupes) on my rupes lhr15. after that i wil give it collinite 845 and fuzion. how long should i wait for the #845 to cure before applying fuzion ? 12 hours ?