West Epoxy with Colloidal Silica - question about consistency
Is it normal to have a bumpy set of external fillets when you mix in C.Silica? I mixed that batch for what seemed like forever and I had two issues.
Background: I marked the tape line with the 1/2" PVC scrap I colored with marker. Mixed up 2 pumps of West and added in Silica until it was peanut-buttery! I mixed an additional minute or 2 hoping that I could make it smoother than last time.
1. The fillets were VERY bumpy despite looking smooth after pulling with an alcohol-dipped PVC scrap. Once they cured it was very bumpy.
2. The fillets had some voids that I swear were not there when I pulled the fillets. I wonder if I might have mixed TOO much and added in some air that escaped and then created voids.
Just wondering so my next set look nicer and are not as much of a pain in the tuckus to make smooth.
Bonus question: what is the best way to make transitions into and away from the fins with epoxy? Again, I had bumpy, pinholey sort of triangles that look ugly out of the gate. I also am doing this on a split fin and it seems the area between the split fins is difficult to achieve a nice streamlined look. I suspect practice makes perfect here.
That, or some proline hi temp.
Thanks in advance!
NAR 93283 L1 KB1YOD
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