Hi , whats the epoxy amount for

300g diolen                                        

3mm Soric    

all so i have the breather cloth in my infussion kit,but its not mensioned in the video?  do i use it ?

i have a male corner in my mould and have cut the material to fold around it, is it possible to tack down the skicky out bits within the mould, if so what with? 

i am using wax ontop off a pva (polyester resin mould) as a release will this be ok

 

many thanks  

Hi Jackflash,

Joe's advice is spot-on, as are the calculations for your resin quantities. Paul's put together a useful guide for calculating resin consumption here:

Resin Infusion Resin Usage Calculation

When you use Soric as a core, additonal flow media (infusion mesh) is optional. In the new video series (sneak preview of part one available through this forum) we use a full Soric core in the part and still choose to use mesh over about 2/3 of the part but, having watched how it went through the section of the part with no mesh, it would certainly have infused before the resin started to gel even if we'd used no mesh at all.

Your polyester mould is a worry for an epoxy part. If it's an old mould that's done lots of pulls then several coats of wax, like Joe says, could well get you through but if it's a 'green' mould (i.e. new) then leave it as long as you possibly can and ideally give it a post cure at maybe 40 or 50 degrees for a day or so before use to get all of the styrene out of it. A good rule of thumb is to smell the mould. If it smells of styrene (the main 'smell' of polyester) then don't use it yet. Avoid chemical release agent at all costs, an epoxy part will probably not come out of a new polyester mould using chemical release agent. If your mould was epoxy or vinylester (like our Uni-Mould) then this wouldn't be a problem at all, chemical release agent would give you a perfect release.

There is no different epoxy for diolen, Soric, carbon or kevlar. They all simply require a low viscosity epoxy with very high cured mechanical properties. Paul posted some amazing figures on how much better the IN2 (and EL2) mechanicals are compared to a well known epoxy like West 105 in this thread, just in case there's any doubt about just how good our resins are!

Matt Statham
Easy Composites / Carbon Mods - Technical Sales

Thanks for the adivce, i am now concerned about my moulds

The moulds are polyester with a layer of polyester flowcoate (3 weweks old), pva release and about 5 coates of release wax. should i expect problems?

Should i cure at 50/60 deg for 24 hrs if so should i remove the wax and pva?

Thanks