Author Topic: Epoxy and Finish  (Read 3376 times)

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Offline Mario Turcot

  • Posts: 857
Re: Epoxy and Finish
« Reply #30 on: February 06, 2019, 04:40 PM »
@Ptk16
However...now I can ask you what you think of the shapeoko, I am tempted.

I look around and shop for at least 6 months before I made my choice. At the end it was between the X-Carve and the Shapeoko 3. At the time I was looking for an affordable DIY system. The shapeoko 3 came 250$ cheeaper + the Makita router and shipping was included. The biggest difference between the two machine is in the rigidity of the Shapeoko 3. You can easily flex the X-Carve extrusions but not the Shapeoko 3. I have the XXl, the machine works flawless and only tuned it after asembly. Took me 3.5hrs to put together and to run the provided test.

P.S. I refer always to the shapeoko 3 to not mix the old one, because the X-Carve was first named Shapeoko.
Mario

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Offline Mario Turcot

  • Posts: 857
Re: Epoxy and Finish
« Reply #31 on: February 06, 2019, 10:05 PM »
Need advice

One of the sign (Padauk) one is ready to get the first Danish oil coat. The other (Sapele) need more epoxy due to a mistake. I applied the epoxy 72hrs ago and it still sticky, enough that I can leave my finger print on it. What should I do, sand it or wait a bit longer?

I guess this happened because I did not use the same quantity of the resin and hardener.
« Last Edit: February 07, 2019, 02:16 AM by Mario Turcot »
Mario

Offline Mario Turcot

  • Posts: 857
Re: Epoxy and Finish
« Reply #32 on: February 22, 2019, 06:59 AM »
And the final product



My impression with Epoxy

First it is very easy to use and very hard to sand  [scared] I realized after pouring my name that I should have used white instead of black because Padauk is a dark wood. The way I used it is not the most effective, I mean one of the most appreciated aspect of epoxy is it's glossy like glass look and sanding it is like driving a ferrari on a crush stone road  [eek]

My Mistakes

-Setup is key, epoxy can be a messy product. Make sure to use a surface easy to clean.
-Preparation is even more important. Mix both products equally or get ready for a mess. I saw videos people using a scale and now I know why.
-Absorption/bleeding, some wood will absorb epoxy, get ready to apply a second coat. In my case Padauk react well since it's a dense grain but Sapele behave differently, especially on end grain.
-Sanding epoxy is no different than a very very very HARD wood. I start with the RO using 40 and 80 grit, and finish it with the ETC EC 120 grit. I figure 120 grit was enough to let the Danish oil penetrate the wood. The epoxy itself could use a finer grit but it was not an easy task in my case.

About EcoEpoxy

EcoEpoxy is the cheapest epoxy I found and hopefully it was available locally. I found it easy to use and easy to mix with the colour pigments. It was hard enough to sand after 24hrs if well mixed. If not well mixed it is impossible to sand without a huuuuge mess. P.S. I haven't look during that 24hrs period if it was hard enough but only after the 24hrs. One thing to note, not all brands are a one coat application and EcoEpoxy is amongs them. That's mean you can pour as thick as you want and it will harden more or less in the same curing time.

I was also considering ArtResin epoxy, made I believe in the GT area. After calculation it was a bit more expensive than EcoEpoxy.
Mario

Offline ear3

  • Posts: 3683
Re: Epoxy and Finish
« Reply #33 on: February 27, 2019, 06:35 PM »
Nice work @Mario Turcot!

Sanding epoxy is indeed a pain.  It won't work in every situation, but I'm happy I have the RAS in the arsenal to knock down epoxy overfills.

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Offline RKA

  • Posts: 1570
Re: Epoxy and Finish
« Reply #34 on: February 27, 2019, 07:28 PM »
Does it clog/gum the abrasives (like granat) or does it release fairly easily like wood? (Assuming your using dust collection)
-Raj

Offline Cheese

  • Posts: 5914
Re: Epoxy and Finish
« Reply #35 on: February 27, 2019, 09:58 PM »
Does it clog/gum the abrasives (like granat) or does it release fairly easily like wood? (Assuming your using dust collection)

I only have experience with West Systems epoxy. However, after 24 hours it sands like a very dense/hard wood. It doesn’t clog Granat at all.

I’ve even mixed up some West Systems that I hadn’t put enough hardener in and it too sanded nicely. I’ll post photos of it on a thread I’ll author on refinishing a Simpson exterior door.

Offline RKA

  • Posts: 1570
Re: Epoxy and Finish
« Reply #36 on: February 28, 2019, 07:42 AM »
Thanks!
-Raj

Offline Mario Turcot

  • Posts: 857
Re: Epoxy and Finish
« Reply #37 on: March 01, 2019, 10:01 AM »
Thank you!

That was quite an interesting experience and I enjoy all the steps required.  [big grin]
Mario