Valve To Steam Deck Owners: Stop Huffing Its Vent Fumes

Solvents and other residues can off gas over weeks and months (or possibly longer) without any burning.

Didn’t know new cars were on fire

Probs lots of things around us passuvely disperse particles under room temperature, but in amounts not noticeable to us. With heating applied, this process intensifies, more so if it's closer to 50-100 C°, normal working temps for an actively cooled PC. Think the indoors pool, that keeps the room's air humid even though the water is just warm.