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Washing Resin


EPK

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I have the Forge World Deathwing Pads and while searching for info about bending resin, I stumbled upon threads about how I am supposed to wash resin bits first to get the residual releasing agent off. Problem is, I already put them into place and primed the model (black duplicolor primer). The appeared to be fine though from what I remember, a nice smooth coat. Could the paint still be a problem? Should I wash them now? Will that even help now that the primer is in place?
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The problem with resin is that if you didnt wash them before priming is after awhile if there was still the release agent on them the paint will rub off. If you have already glued and primed then you would have to strip them to make sure it doest flake off. I know it will suck but so will then paint coming off after you painted the item.
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What chewielight said, with one modification. It is highly advised that you wash the resin before gluing and priming to remove the release agent. 99 out of 100 times the resin parts will still have a reside of release agent on them which will interfere with the primer adhering to the materials. Occasionally (read: Next to never) you will get the parts clean and won't need to worry about the release agent. It's rare, but it does happen.

 

if you already primed the model and the primer went on alright, then you dodged a bullet.

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Thanks for the advise guys. At least it was only one I did so far (unfortunately it's my Belial conversion). I'll be sure to wash the rest of the pads before I use them.

 

So, if I'm gathering what you are saying, I should be able to give the pads a rub and if the primer comes off, they will need to be cleaned? I can probably detach them from the model, they weren't a perfect fit anyway. Or to be safe, should I just take them off and wash them anyway?

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Quick update on this question for what it's worth... I gave the pads a hard rub and do notice that the primer came off in some of the raised areas however it's very limited and doesn't seem to happen everywhere. I was also able to detach them from the model and will wash them along with the other pads.

 

After giving them a good scrubbing - I assume any primer that isn't sticking due to the releasing agent will come off - I'll see where they stand and reprime as needed.

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I ran across the same idea of residue on the resin models after I glued the pieces on a special character I'm working on. I've got the arms and head glued along with some GS work (which was a pain and I'd hate to try at again).

 

Is there a test for the glue holding on the plastic pieces an GS work? Do any of you reckon it would just be OK to wash the model as is and then prime and paint, or do you reckon I'll have to prise off the bits and start completely over?

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Actually, and maybe someone more informed may know for sure, but I assume there would be not problem washing the model whole (I only removed them for convenience in washing and drying.). Once GS is set, it fairly sturdy and plastic like. I don't see how hot soapy water would hurt anything. Just my guess of course.
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