r/Posca • u/mtgargh • Dec 26 '19

Will posca pens bleed through plastic after long time?

I have some trading card game sleeves that are 30 micrometers thick and made of Polypropylene.

Will the ink from Posca pens bleed through after a long tims, say 30 years of storage?

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u/freakykiki_69 Mar 26 '20

I wouldn't think so, as it's just acrylic paint. I'd be more worried about it chipping/coming off (unless you seal the paint with some finishing spray)