Have no idea what tgic is and honestly I don't care as long the colors pointed in above posts are verified and working.
Also I find it a little bit weird to worry about a substance present in the powder when we gather lead WW from various places, sort them one by one, melt lead in ingots, remelt lead ingots in bullets, then handle lead bullets one by one, then coat them, then shoot them while breathing fumes from primers and powder. I thought it was a matter of common sense to handle various chemicals with care, in well ventilated areas and using protection equipment.
As long as the powder it works flawlessly I don't care what chemical the powder has in it. But that's me.
In the sticky for powder coating i have a link that explains why i use tgic-free, tgic as i remember has been banned in europe. If you can lesson the effects of loading,shooting etc why not. If you just keep adding to the dangers as you outlined then it just means your more likley to cause other effects.
I also have children and don't want them (although i do this outdoors) to come in to contact with the powder, reducing the risk if i can is always good.
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