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  1. Before I begin, please note that I do not represent Reaper and that neither I nor Reaper is likely to accept any responsibility for anything that might happen to anyone following the procedure noted below. If you try it and ruin your figures, too bad, so sad. Probably shouldn't have done that and maybe next time you'll know better. Now on with the show: One of the problems that I, and from the posts I've seen here and elsewhere many others, have with Bones figures is that many are too flexible. From the information that I have*, the flexibility is the result of adding a plasticizer to the PVC resin before molding. There is some confirmation from the fact that various figures have very different rigidities. One of the problems that can arise with plastics, including PVC, is that exposure to certain chemicals can cause plasticizer to leach out, causing them to become more rigid and more prone to cracking and failure under pressure. But it turns out that I want more rigidity and I don't plan to put my figures under pressure. I had recently removed the bases from the Hordelings SKU 77335, and found them to be very floppy, especially in the very thin legs and arms, so I decided to experiment. We know that Bones are not affected noticeably by exposure to water, which is an aggressive, strongly polar solvent, so I decided to try an inexpensive much-less-polar solvent that I had around the house: 91% IPA (isopropyl alcohol). Since I didn't want to damage a figure without reason to believe that I'd get an interesting result, I started by soaking trimmed off bits of bases. When I checked them the next day (after about 24 hours of immersion), they definitely seemed to be much more resistant to bending than before they were immersed. I also noted no changes in appearance, though with pieces of bases, it's not clear that I would have noticed anything less than gross problems. That seemed good enough to me to go to a more practical trial. So last night I dropped those Hordelings into a small container with enough IPA to cover them entirely. This morning, I pulled one of the figures out and noted much more rigidity in small-diameter parts, though two of the figures were still more floppy than I wanted. I left those two figures in the IPA until I got home from work, by which time then seemed to be notably more rigid than previously as well. This seemed interesting enough to report. Possible hazards: Miniatures might be damaged or destroyed, or their durability might be compromised in the long term. This is a risk that I'm assuming for my figures; if you try this, you'll need to assume the same risk. IPA is toxic. Read, believe, and follow the recommendations of the safety data sheet for the high-concentration IPA that you use. Here is an SDS for 91% IPA, though I make no claim that it is correct for what you use. Please make an effort not to be stupid. I have yet to try painting over the surface of the treated minis. I make no claim that their utility as a paintable surface will be unchanged, either now or in the future. Again, I'm assuming this risk. More as it happens. There may be other hazards I haven't identified. I'm not suggesting you do this, merely reporting my experiences so far. Please be on the lookout for such hazards. Again, I don't recommend this procedure and have not fully tested all scenarios, so I don't accept any responsibility for things that you run across if you try this. If you do come across other hazards, please report them Future investigations: I have yet to try this with larger/thicker figures. I suspect that the leaching will mostly be a near-surface phenomenon, since I suspect plasticizer migration from the interior of a thick piece will be slow at best. It might be worth a try. If I do try it with something big, I'll let you know what happens. I also haven't tried reposing a figure after treatment. From what I've read, removing plasticizer should significantly raise the glass transition temperature of the PVC, which means that you might need hotter water. And given the results shown on the wings of Wyrmgear, it might not be possible to get the kind of results with a stiffened mini that you can with a mini that still has lots of plasticizer. I'd suggest straightening before leaching plasticizer, but as I said, I haven't done any of that. If you try things, please let us know what you find out. * My company has a plastics division, so in addition to my own research I've attended meetings discussing plastics molding, none of which makes me an expert, but I am what I have available, for whatever that's worth. My research indicated that IPA might have demonstrated plasticizer leaching in other applications, but I didn't find anything directly on point.
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