Easy-Lease Mould Cleaner problems


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Hi,

I got some problems with the Easy-Lease Mould Cleaner .

I want to make new molds from vinylester gelcoat and resin for infusing and maybe later prepreg .

Before I always made my moulds from normal gelcoat and polyester resin so I used only wax what never gave any problems .

But now with the vinylester products I had problems demolding the moulds from the normal polyester parts with normal wax  .

When I got the vinylester mould ready I infused some parts and it worked verry well no release problems with normal wax .

Now I wante dto make a new vinylester mould from a carbonfibre race parts and again the vinylester mould wouldn't release from the arnon fibre part .

So now I wanted to use the
Easy-Lease Chemical Release Agent

I used a new polyester part I pulled from a old mould of me , polished it to mirror finish and then I cleaned it with the Easy lease mould cleaner and then the looked like the pics.

When I use the mould cleaner on a unpolished part it looks fine and stays the same look .




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Hanaldo (18/01/2015)
Yeh unfortunately because you applied a wax over the top, you will need to completely clean the mould off before reapplying the chemical release agent. It isn't really necessary though, you should just be able to polish those marks out of your parts without much effort. Depends on whether you need to pull 1 or 2 parts from them or 50 I guess. Also no, you won't see much once it has evaporated. But as you wipe the film on, it should just stay as a lightly wet surface. If it beads up or fisheyes or forms anything that looks like droplets, then it is much too heavy.

Anyone's guess as to why your part stuck. Wax is a bit inconsistent for me, I would never rely on it. Works great for alleviating surface tension issues, but that's all I ever use it for. You know there is no silicone in your polish, but do you know if it contains wax? There can be a difference between simple buffing compounds and polishes that claim an extra gloss. Buffing compounds are almost more like a super fine sand paper that just remove very small scratches, and often these are all polishes are. But some manufacturers include a carnauba wax or similar to yield a higher, albeit false, gloss. This then gets removed when you use a solvent cleaner and you end up with your dull looking part.


Today I made the new mould of the rvs tray I anly used the easy lease release agent after I cleaned the part with easy lease cleaner .

I now did 2 layers of vinylester gelcoat and this looked much better .

The mould did come off pretty hard though but this can maybee bee because the vinylester doesn't got any shrink on it and the "tray" had straight edges .

I also got me new polishing product from 3M it has no wax or silicone in it .
I polished a new part with it and when I clean it with the easy lease cleaner the part doesn't get the weird pattern on it , it only turns a little less polished .


On the old part I really think I need to sand it down with a 600 sanding paper first because when I sand it with a 1500 paper the weird pattern goes away but when I use easy lease cleaner it stil returns but not that hard
GO

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