Epoxy as clear coat finish over stain?

[RocknRolf]

Thanks for your input,
Really valuable comment regarding the thickness, flex, uv-resistance.

@Simon: Epoxy has more flex than poly, so let's assume that's ok. Regarding the thickness of coats, I can do a batch 'eau bain marie' (warming it in a container in warm water), this will increase the viscosity a lot, which in turn allows for a thinner coat.
All in all after sanding I think the coat will be in the order of 0.1-0.5mm.

What I think will be the most tricky part and perhaps why I will consider going with the poly products is: when you start having fish eyes due to any contamination and you need to sand it back, because it is so hard, it becomes easy to sand through your finish if you know what i mean. And particularly with a carved top like the DSCM this got me slightly worried.


@Rabbit: Thanks for the comments on UV resistance and safety: I added a link to the datasheet if you're interested. All surfboard epoxy's have good flex properties, are more viscose than boat epoxies and have UV protective properties added to them. That being said, they still do yellow over time, but I think not nearly as bad as what I've seen from the tru-oil results. Even one of my 8-year-old boards is mildly yellowish white.
https://www.fibreglass-resin-sales.c...-Surfboard.pdf

I think Simon has a fair point regarding the thickness of application and with that in mind, you cannot beat a spray product. From what I've seen of wipe on poly, it will match epoxy in thickness.

[Rabbit]

Regarding the thickness of coats, I can do a batch 'eau bain marie' (warming it in a container in warm water), this will increase the viscosity a lot, which in turn allows for a thinner coat.

Erm, I think you mean make it *less* viscous. The lower the viscosity, the thinner it is. Epoxy can be applied pretty thin. It's a plastic that can ce sanded thin if needed and then buffed up. As a top coat I still think I prefer spraying Urethane, but the epoxy makes a great grain filler! (provided you don't sand through it!)

[RocknRolf]

hahaha, Google, definition: Damn, Less viscous, LESS

Thanks for your two cents, good to hear someone who knows both 'products'.

As for urethane: Do you also use the Cabots spray varnish? Link: https://www.bunnings.com.au/cabots-e...B&gclsrc=aw.ds

[Rabbit]

hahaha, Google, definition: Damn, Less viscous, LESS

Thanks for your two cents, good to hear someone who knows both 'products'.

As for urethane: Do you also use the Cabots spray varnish? Link: https://www.bunnings.com.au/cabots-e...B&gclsrc=aw.ds

Erm, no, I don't use Cabots. I use Aquacote clear https://boatcraft.com.au/Shop/index....dex&cPath=5_38.