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22nd November 2016, 09:46 AM #1Senior Member
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Epoxy colouring for marble effect?
Hi, I'm guessing this is where the epoxy masters hang out. Can anyone point me to some good info or offer advice on creating an epoxy blank that looks something like dark green marble?
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22nd November 2016 09:46 AM # ADSGoogle Adsense Advertisement
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22nd November 2016, 11:08 AM #2GOLD MEMBER
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You might have a chat with people in the fiberglass boat building/repair business.
I'll bet they are into color matching all the time.
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22nd November 2016, 01:04 PM #3Member
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this is a start u tube is a great resource https://www.youtube.com/watch?v=InsHyvO0lNE
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22nd November 2016, 01:29 PM #4
I have used a powder that once mixed does not give a solid colour. Meaning when this sets you can move the piece around and it reflects light differently. I have only one colour a sort of pinkish red and for pieces to fill voids which highlight the void.
Another way of doing this would be to have a form ready and two or three colours mixed with epoxy. Then pour your epoxy in the form at the same time. The colours will mingle with each other and as long as you don't mix them too much they should have some marbling. Personally I think it is easier to have two colours then more than two colours to mix.
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23rd November 2016, 08:39 PM #5
Yes it can be done, but not with your normal epoxies, with casting resins (polyester/polyurethane/casting epoxy). It is a matter of getting the colours/translucency/mixing right.
Are you doing some turning or trying to repair a kitchen/bathroom benchtop?Neil____________________________________________Every day presents an opportunity to learn something new
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23rd November 2016, 10:43 PM #6Senior Member
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Thanks for the feedback all. @dai sensei - I would like to incorporate some surfaces that look like marble into turning. This is the sort of colouring I was thinking of: http://www.woodnworkshop.com.au/asse...2/PR_PB067.jpg
Seems you can buy pen blanks like this, but the more I look into it, sounding like something very difficult to achieve yourself without a lot of practice (and the associated expense). Easier might be to use one of the paint based techniques of marbling, but I think I would lack the skills involved.
It's just a bit of a vague idea I have at the moment, so might let this one go...
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24th November 2016, 10:13 PM #7
The marbling effect in the photo is achieved mainly with Pearlex type tinting powders, but sometimes you can also mix in some separate resins in the same colours but using translucent dyes, to help the effect. I use a lot of different pigments/pearlex/dyes to achieve all sorts of effects in all sorts of turning blanks. But yes, it does take a lot of experimenting to get colours and effects correct.
With inlay works it you can have a lot of fun playing with simple resins at a relatively low cost. I started with some Diggers Casting resin from Bunnies with some glitter from the $2 shop. Then you get into other colour additives like Pearlex and dyes. I have a lot of details and web links on my web site (DaiSenseiWoodworking) in the top post and plenty of finished works in the photos.
But like woodturning in general however, it doesn't take long to venture into another world of possibilities, and all at a cost.Neil____________________________________________Every day presents an opportunity to learn something new
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25th November 2016, 03:23 PM #8Senior Member
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I really like your facebook page Neil and great resource for casting info. Hmmm, the possibilities.....
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