Dilute acetone

Acetone is an organic solvent that is equally popular in crafting as in home improvement. Although so widespread, the question often arises as to whether acetone can be diluted or suitable for diluting various substances. In this guide you will learn how and if you can dilute acetone.

Basic properties of acetone

Acetone is an organic solvent and is the oxidation product of secondary alcohols. Thus, it is water soluble. This is important because acetone is often used diluted for cleaning. In addition, it is also rapidly biodegradable. That does not mean that you should dispose of acetone via the wastewater.

Consider the risks posed by acetone

It can cause vapors that are easily flammable with air. In addition, acetone is slightly toxic. It has a degreasing effect and dissolves oil. This in turn means that acetone on the skin dries out and embrittles them. You can dilute acetone as follows:

  • with resins or synthetic resins
  • with water

Dilute acetone with water

When diluting with water as a cleaning agent, for example, to use the acetone against mold, you should take into account that the solution evaporates very quickly. This allows you to inhale the acetone vapors, which can cause dizziness and, at worst, unconsciousness.

Dilute epoxy resin with acetone

This is similar when diluting resins. In principle, you can, for example, dilute epoxy resin with acetone. The acetone does not have a damaging effect on the structure, which, however, depends strongly on the individual application requirements.

Laminating with epoxy resin

Epoxy resin requires a hardener to activate. This is important, because with epoxy resin, one part of a hardener has to be combined with one part of epoxy resin. As long as the acetone can evaporate, it is possible to dilute epoxy resins accordingly. The acetone then has no influence on the stability of this crosslinking.

Dilute UP resins with acetone

But that's different if you want to laminate with epoxy resins, for example. In this case, the acetone can no longer completely evaporate, so it remain parts of the solvent in the assembled workpiece. This can have a strong negative impact on the strength of the crosslinking. Bai epoxy resins, you can use acetone therefore only conditionally for dilution.

Suitable for UP resins for thinning

The epoxy resins face UP resins (UP for unsaturated polyester resins). Here the hardener does not react like with epoxy resins. Thus, no connection is made between a hardening part and a resin part. Rather, hardeners for UP resins accelerate curing and evaporate. From this it can be concluded that acetone can be used without any problems to dilute UP resins.

Tips & Tricks

Acetone is also found in nature. In raspberries, it is available as raspberry acetone. The acetone gives the raspberry its typical smell. Acetone was discovered in 1606. It is an important material in the production of acrylic (PMMA).

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