HELP - Issues dying PETG - The Foundry - Armor and Prop Making

I am desperate for help. I've been struggling late with dying my PETG visors using idye poly. I end up with a gritty appearance and large black smudged areas. I've used this process before with mixed results and can't figure out how to resolve this problem!!! HELP!!! I use a large stainless steel

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Really struggling with PETG- what's causing this? : r/3Dprinting

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Consistent issue with PETG : r/FixMyPrint

Armor is made from 3D printed PETG, PLA+, resin printed, vac formed, and resin cast parts. Please read the option descriptions before you checkout so

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I am losing it I've been trying to print with petg but everything

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Developments in 3D printing of carbon fiber reinforced polymer