Liquid to solid when exposed to air

Question

Is there a liquid mixture that will become a solid when exposed to air/oxygen. Preferably a spongy material that is difficult to tear.

score 3 · Answer 1 · edited Apr 17 '19 at 20:55

3

Urethane foam from isocyanates, commonly sold at hardware stores for insulation.

edited Apr 17 '19 at 20:55

Luquettm

answered Feb 05 '15 at 02:54

DrMoishe Pippik

1 Answers1