Finish my moulds


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Matthieu Libeert
Matthieu Libeert
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Hi everyone!

I could use some advice...
So I draw my part in software and those were CNC-milled in multiplex wood.
I know wood isn't the best choice but for me as a student it was the cheapest way...

The finish is good but I'm wondering how I have to finish the moulds before filling them with an epoxy to get the plugs out.
I'll finish those plugs once again till a high gloss then. The wooden moulds will only be used once to get the plugs.
I have some ideas but wondered what your experiences are with those kind of problems.

1. Coat the mould with a Infusion Resin with a brush a few times.
2. Use vinyl wrapping (carwrapping vinyl to seal everything
3. Use a 2K filler spraycan. and sand till high gloss

I would prefer choise 3 but I need to have a confirmation telling me it wont react with epoxy after it... 
I read it a lot its ok to do it that way but just need the confirmation if possible Smile

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Matthieu Libeert
Founder MAT2 Composites X Sports
website:
www.mat2composites.com




carboncactus
carboncactus
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Depends on what the 2k filler you use. I've had solvent cracking from acrylics if I don't leave them to breathe for a few days.
Sprayable epoxy like Durepox would be the best solution. You'll get high gloss out of the gun as well. Make sure you clean the gun out very thoroughly after putting epoxy through it!

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Edited 11 Years Ago by carboncactus
Matthieu Libeert
Matthieu Libeert
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Ok thanks, The problem is I'm quite limited in material to spray resins, coatings and so on so I thought the best/easiest/cheapest way for me is spraycans, but want to be sure it wont react with the wood and so on...but I'll give it a go I think Smile

Matthieu Libeert
Founder MAT2 Composites X Sports
website:
www.mat2composites.com




ajb100
ajb100
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Never tried it myself but I'd always heard that shellac was best for sealing wood in composites
Matthieu Libeert
Matthieu Libeert
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Thanks everyone, everything worked out fine with the 2K
Mould is sanded and polished so ready for the next step Wink

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Matthieu Libeert
Founder MAT2 Composites X Sports
website:
www.mat2composites.com




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