Polymer QD's over Wax?

You can use anything over just about anything else, but every step changes the last one in some way, either positive or negative. I have used a Polymer "QD" over wax and achieved real good results. But the product was not designed for this usage, and so, I do not expect that all the performance of the "QD" product to be the same as if I had applied it per instructions. The best thing to do is to experiment and see if the results are pleasing to you.
 
You can use just about any QD, but when you want to put down another layer you might have bonding issues.
 
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