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Old 01-27-2019, 01:13 PM   #1 (permalink)
 
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Default Resin for Hybrid Bowls

I've got a couple of ideas for some hyrbid bowls I'd like to make. What's a less expensive alternative to our common casting resins we use for pens? I'm thinking making something that people use for river tables that turn well?

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Old 01-27-2019, 01:43 PM   #2 (permalink)
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Same thoughts here. I have several root balls waiting for a resin to use.

Watching this thread!
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Old 01-27-2019, 06:28 PM   #3 (permalink)
 
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You may want to take a look at the Bondo fiberglass repair resin at Lowes. It's brown rather than water clear but I have cast pens with it using Pearl-ex and it worked fine.

They want $15/qt or $40/gal. Been so long since I bought casting resin I don't remember how much the good stuff is. But pretty sure it's a bit more than that.
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Old 01-27-2019, 07:20 PM   #4 (permalink)
 
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Polyester Resin which is what fiberglass resin is isn’t good for wood hybrid casting. It shrinks away from the wood as it cures. It’s fine for blanks though. Gary is in the epoxy territory for casting with wood or if he has the knack, Alumilite. Gary you’ll need a casting epoxy that can cure thick rather than a laminating or the bar top kind that need to be cast in layers. The epoxies are more money than the polyester resins. If you can find a good cheap one you’ll be loved by all if you divulged the source.
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Old 01-27-2019, 08:25 PM   #5 (permalink)
 
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You have to watch some of those resins. They aren’t made for thick casts. I don’t think any are cheap, just some a little less than others. I have found over the years of experimenting that you can’t always put a price on success. I’ve wasted lots of time, money, and material trying to get something to work because I didn’t want to use what I know would work because of the price. I ended up paying more for it in the long run and ruined some very nice material in the process. Like said above, I think Alumilite is your best chance for a successful cast and finished product. You can conserve resin by finding something to cast your wood in that’s close to the size of your finished product, or start with some small products to sell and build up the funds for the larger one. I hope you find what works for you.

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Old 01-28-2019, 03:00 PM   #6 (permalink)
 
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I use Royal Palm and sometimes Alumilite, along with PR, for pen casting. I was hoping to find something less expensive for the larger size castings I want to do. It looks like PR by the gallon, especially if I buy it from someplace like US Composites, is the best deal by far.

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Old 01-28-2019, 04:36 PM   #7 (permalink)
 
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Another epoxy resin I have used is Smooth On brand. They have several types, but I only used the one that was clear. If I were you and wanted to try this, I would call them and talk to one of their experts. But keep in mind, their expert may know less than we do.

My reason for using Smooth On was that I could save on shipping when we went to Dallas and I bought at the warehouse.
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Old 01-28-2019, 05:17 PM   #8 (permalink)
 
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Default Suggesting Alumilite

Eugene Soto (ElMostro), long time experienced hybrid 'Mutt' blanks producer uses Alumilite. A while back I ordered a dozen bigger hybrid blocks for turning small vessels. None turned as yet, but I believe with his level of experience, that is a good way to go.
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Old 01-28-2019, 05:23 PM   #9 (permalink)
 
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Quote:
Originally Posted by vtgaryw View Post
I use Royal Palm and sometimes Alumilite, along with PR, for pen casting. I was hoping to find something less expensive for the larger size castings I want to do. It looks like PR by the gallon, especially if I buy it from someplace like US Composites, is the best deal by far.

Gary
It’s not ideal for adhering to wood because it shrinks when it cures and it’s more fragile and brittle compared to alumilite. To me alumilite would be the safe way to go, for turning a large object and for a success rate.

All resins are not created equal and meant for every project. They each have their strong and weak points. When selecting the proper one it shouldn’t be about the price. It should be about the resin qualities.

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Old 01-28-2019, 05:29 PM   #10 (permalink)
 
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George Watkins is an accomplished small vessel turner (search his posts on IAP and be inspired). He seldom mentions resin type, but did mention cactus juice for some of hybrid vessels appearing on his web site.
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