I found this stuff that is amazing for finishing polish for clear parts.  My usual routine is to sand the canopy with 3200 grit progressing to 12000 grit, polish them with 3 Tamiya compounds and then dip them in future.  I had a mini disaster in my last build where the tape fused itself to the canopy even though I allowed the future to dry for months.  I was able to remove the tape and re-polish the canopy but I wasn't totally happy with it.  I've had this Mr polymer coating forever but I've nev