Why Does Acetone Melt Plastic? Simple Answer


Why Does Acetone Melt Plastic? Acetone is a solvent that can dissolve many types of plastics. This is why it is often used to remove adhesives or stickers from surfaces. The acetone breaks down the plastic molecules and dissolves them.

Does acetone melt plastic? Acetone will not melt standard grade plastic. However, if the plastic is of a lesser quality, or contains additives that make it more susceptible to degradation, then acetone may cause significant damage.

What can dissolve plastic? Many different substances can dissolve plastic. Acids, bases, and solvents are all capable of breaking down the polymer chains that make up plastic.

What plastics can withstand acetone? Acetone is a strong solvent that can dissolve many plastics. However, there are some plastics that can withstand acetone. These include polypropylene, polyethylene terephthalate, and polycarbonate.


Frequently Asked Questions

Will Acetone Melt A 5 Plastic?

I cannot find a definitive answer to your question. However, I found this article which states that “acetone will dissolve styrene and polystyrene.” It is possible, therefore, that acetone could melt a 5 plastic.

Does Acetone React With Polypropylene?

Yes, acetone does react with polypropylene. Acetone is a good solvent for polypropylene and can dissolve the polymer. When the two substances are combined, they form a new compound called polyacetone.

Does Acetone React With Polyethylene?

Acetone does not react with polyethylene, as it is a non-polar solvent.

Why Does Acetone Melt Plastic?

Acetone melts plastic because the molecules of acetone are very small and can easily fit in between the molecules of the plastic. When the acetone is heated, it melts the plastic and causes it to become liquid.

How Do You Melt Down Styrofoam?

Styrofoam is a type of plastic that is often used to make cups, plates, and other food containers. It can be melted down and reused to create new objects. To melt Styrofoam, you will need a pot of boiling water, a bowl, and the Styrofoam you want to melt. Place the Styrofoam in the bowl and pour the boiling water over it. Let it sit for a few minutes until the Styrofoam is melted. You can then use the melted Styrofoam to create new objects.

Why Does Acetone Melt Things?

Acetone is a powerful solvent that can dissolve a variety of materials. Because it is a liquid at room temperature, it can easily flow into and dissolve small cracks or pores in the material it is contacting. Once the acetone molecules are inside these spaces, they can break down the material’s chemical bonds, causing it to melt.

What Plastics Are Not Affected By Acetone?

The types of plastics that are not affected by acetone are those that are made of polypropylene.

Why Does Acetone Melt Styrofoam?

The acetone in fingernail polish remover melts Styrofoam because it is a strong solvent. Styrofoam is made from polystyrene, which is a type of plastic. The acetone in the polish remover breaks down the polystyrene into small pieces, causing the Styrofoam to melt.


Acetone is a volatile, colorless liquid that is miscible with water and has a characteristic pungent odor. It is the simplest ketone and is used as an organic solvent. Acetone is a good solvent for many plastics because it dissolves their polymers.


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