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epoxy
The 127 resin and any of the other hardeners offered by Raka are great products and I have been using them for quite awhile. The viscosity of those resins are formulated for laminating and or bonding. The sealing of stock in the plug building case does not involve the added cloth. I don't think I said the resin wasn't thin enough for sealing, I meant that in the plug building case the resin cut with xylene will act the same way as the BLO and thinner mixture that started this whole thread. The priming of both surfaces with unthickened epoxy is a widely used and trusted method when bonding. Sealing is perhaps the wrong for prepping plugs.
This I do know, when not using a layer of fiber in the project or using epoxy as a fillet, I prime my surfaces with xylene thinned epoxy. I have used this on boat interiors, framing members, and as a prep on woods to finished to be finished bright. the trim on my home was trated this in 1974 and has only been painted once during that time. Epoxy cannot last as a top coat as it is not UV resistant. I have tried all kinds of additives and have not been satified with the results. Varnish oil based, waterwhite waterbased, and the oil modified urethanes are much more resistant. Hood finishes makes an above the waterline varnish that is very good.
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