I think you might have nailed it on this one Dave.
The problem described is typicaly a problem that you find with acrylic with flame polished edges. Anytime you get a solvent near the heat exposed area, you run the risk of crazing. We experienced this with screen printing in the past, and had to adjust how close to the flame polishing we could print to eliminate the problem. Any solvent (yes even alcohol can cause this problem. Just because the manufacture recommends the solvent for cleaning, doesn't mean that they understand what you're doing to the product with your process......
I'm betting it's the alcohol.......or some other solvent exposure that's causing the problem.
Thanks,
Brian Genrich
Rallye Productions Inc.
1-800-236-2036 x112
Custom cut, or sheet stock Sublimatable metal,
Screen printing, and other digital print services.
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