Acetone is a solvent that breaks down Styrofoam, which results in the Styrofoam dissolving in Acetone similar to how sugar does in water. Styrofoam is a polystyrene that has been pumped with air.

We could watch acetone devour styrofoam all. Day. Long. Although, technically speaking, the acetone isn’t devouring anything. Styrofoam is made of up countless interconnected styrene molecules that ...

image: Have you ever seen a foam cup appear to melt away in acetone? Foam cups, bowls and containers are made of a lightweight but strong material -- expanded polystyrene. How then does acetone reduce ...

Have you ever seen a foam cup appear to melt away in acetone? Foam cups, bowls and containers are made of a lightweight but strong material -- expanded polystyrene. How then does acetone reduce this ...