Vac-Cast Epoxy resin ........ what have I bought !?


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TURK
TURK
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Hi folks,



As per the thread title ........  I'm not sure if what I have bought from EC will be fine for what I am trying to accomplish.

I purchased some 'Vac-Cast' Epoxy casting resin as I read it was ideal for a tooling plug as it was an aluminium filled epoxy casting resin resistant to heat.  I've searched on the forum on how to use it ( and on YouTube ),  but can't find anybody that has used it !

I did find however,  many casting tutorials on the net but they were for liquid Latex and others.  Am I to assume it's exactly the same procedure ?  I have also read some of the tutorials on here,  but the guide very quickly deviates to mould construction for the use of vacuum infusion for carbon fibre parts.

I simply need to pour the mixture into a vacuum formed part. Leaving me with a 'male' plug so I can vacuum form many other parts just like my original.



Any information greatly received as I'm really stuck as to which direction I need to go.







Thanks guys.









TURK
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Matt (Staff)
Matt (Staff)
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Hi Turk,

When you get to the point where you're going to be casting the Vac Cast into your vac formed mould (i.e. to make a male former from Vac Cast) if you're at all unsure of the process then just let us know either through this forum or contact our support directly. Essentially, you're casting a two-part epoxy mix into your female mould which is a pretty straight-forward process.

The key is to reduce the amount of resin used by 'blocking out' the inside of your mould so that there is less capacity for the Vac-Cast; not only will this save you money on Vac Cast (and save you from producing a very heavy tool) but it will also reduce shrinkage and make it far easier to drill your vac pull-down holes (if you need them) because you'll be drilling through a thinner section.

Vac-Cast is a real staple of the vacuum forming industry because it is easy to use a reliable but, as I say, if you have any questions before use then just let us know.

Oh, final piece of advice - as always - test your release of the Vac Cast from your vac forming using your chosen release agent in a small area first. Make sure you get a good release with the combination of materials you're using before comitting to the whole job.

I look forward to seeing how you go.

All the best, Matt

Matt Statham
Easy Composites / Carbon Mods - Technical Sales
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