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TOM: Filling resin pin holes

TOMColor618
Our T.O.M. refers to a “pinhole” question that appeared in the February 2018 issue. Those who have worked with resin parts, from engine blocks to bodies, have probably at one point had to deal with pesky pinholes that show up in the most inopportune places.

Several methods can be used to fill them, and “old resin caster” (his words) Gerry Chevalier offers another useful way to
make pinholes disappear in resin.

Putty is OK for tiny pinholes, but for anything larger here’s the faster, easier, and non-shrinking method that I use:
Drill out the pinhole and use an appropriately sized styrene rod super glued into the hole. After using a bit of accelerator, trim and sand immediately.
This also works well in places like the ends of fins, on the corner of wheel openings, and anywhere else air bubbles like to remain during the casting process, and where putty would not be strong enough and fall out

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