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curious about something, I've noticed that some portable electronics over the years have used a metallic paint color (ie. metallic silver on tons of portable devices in the early 2000s) and what I'm curious about is how they made that paint so durable. I know it's paint because you can see instances where it was rubbed off or scratched off in places on old, roughly-used models, but it is still extremely resilient. I have tried doing my own painting of ABS in well-handled electronics before, but it didn't work at all. The paint quickly grew discolored and scratched off with minimal effort.
What I'm curious of is, how do product manufacturers make paint that goes onto ABS and stays there despite taking a beating? I want to custom paint ABS shells and toys and such, but I don't know how to get the same resulting durability. I'm not sure where to ask about this, but hopefully you friendly /toy/anons can help me out.
Example of what I'm talking about, far as I can tell these are all painted and it holds up really well, all things considered.