Epoxy, do you need to add catalyst


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dei
dei
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Thank you all for your help and infomations... I have just posted an image below I think this is the  two coponents I need to make my prototype product skin. if anybody have a doubt please let me know because you guys have been a life saver


Epofer EX-8151+E-1531-Epoxy para depósitos-
brasco
brasco
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yes you are correct..i was confused.LOL it happens. in either case each needs to be fully mixed Smile


CarbonFiberCreations



Warren (Staff)
Warren (Staff)
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It's a slight subtle difference in the chemistry.  It is worth people understanding.  With a catalyst based reaction, you can to an extent control pot life/cure times by varying the catalyst quantity (subject to adding the minimum obviously).

Where as with a non-catalyst based resin such as epoxy, varying the quantities of "hardener" or "part B" won't speed up the cure, it will just leave you with uncured resin in the laminate.

Warren Penalver
Easy Composites / Carbon Mods - Technical Support Assistant
wozza
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Iam not one for giving advice,but I would suggest some people read the basics of understanding epoxys and polyester resins and the difference in the way they work regarding catalyst mixing,shrinkage rates and applications,I think before using carbon and the cost of the materials,I would recommend a book from blue gee,most off it is basic but very understanding for a novice.

ABSOLUTELY AGREE WITH THE ABOVE. Perhaps "some" people should spend less time on "google" and more time actually making things. Composites, especially Carbon are expensive. I feel it is unfair to advise people on issues based on little or no actual experience on the given subject.

Regards Warren

Carbon Copies Ltd
Edited 12 Years Ago by wozza
dei
dei
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Thank a lots everyone, I finally received my carbon firbra it look cute.

I need other help.

My question is what is the best product to coat the polyerster foam before applying epoxy. I want some thing that can grip the polyerster like the car's body work plaster
GO

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