Epoxy resin falling down


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joacomogollon
joacomogollon
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Hi,

I am a begginer in carbon fiber and I am currently facing a problem. I have a mould that is similar to a U shape so when I apply the fist coat of epoxy resin it falls from the almost vertical sides and creates a pool in the middle, is there any tip to make the epoxy resin more viscous so it will not fall down?

Also I would like to include an image in the front cover of the carbon fiber as seen on the picture below. I have tried using lacquer after the carbon fiber part is done and did not work. I tried placing the image as a first layer in the mould before any carbon fiber, but it did not work either since the first epoxy layer did not adhere to the image. Any ideas how can I make this? I was thinking on pasting the image once the carbon fiber part is made and then apply a thick coat of epoxy resin on top of it, but I fear it will drip down and would not leave a uniform layer.

http://www.talkcomposites.com/Uploads/Images/ce4c7c0f-554a-4bdc-9412-44c3.JPG


Thank you in advance,
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Hanaldo
Hanaldo
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That part probably isn't made by wet lay. I put stickers and images in some of my parts by applying the sticker to the dry fabric before laying it in the mould, then infusing it. The resin then goes over the top of the sticker, completely encasing it. Your best bet will be to perfect the first method you tried; apply the sticker to the cured carbon, then spray a clear coat over the top. You will have to keep flatting it down and spraying again until you get the finish you want. 

As for the resin running, there's no way to thicken it up if you want to keep it crystal clear. You should try applying a thinner coat initially. 
joacomogollon
joacomogollon
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Thank you guys for the help.

Hanaldo: What type of clear coat will you recommend? 

Dravis: For the gel coat would you reccomend the GC50Epoxy compatible Gelcoat? Thank you for the warm water bag it's a good tip.

brainfart: I do not know exactly the material of the paper, but do you think it may help for the adhesion if I give the paper a varnish coat before getting in contact with the epoxy resin?
GO

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