How can I make acrylic paint thicker

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More information about thickeners

Thickener for thickening acrylic paint

A thickener is a versatile medium in acrylic painting. Depending on the manufacturer and product, acrylic paint has a thin to pasty consistency. By adding a thickener, the consistency of the paint can be influenced, its consistency becomes thicker.
Acrylic paints can be thinned with water. Unfortunately, if the paint is very diluted, it becomes very fluid and is difficult to apply with a brush. In addition, if the consistency is too thin, the colors run easily on the painting surface. This can be compensated for by adding thickener. The use of a thickener is particularly recommended for transparent paint applications in which the acrylic paint is heavily diluted with water.

The properties of thickeners

Thickeners are gel-like thickeners for acrylic paints. Adding it changes the consistency of the paint, but this only relates to its painting properties when wet. As soon as the paint to which the thickener has been added has dried, its thickening property is lost. Thickener is not suitable for textures and pasty color applications. A structure paste is used for this.
The addition of thickening medium also delays the drying time of acrylic paints. This means that you can paint wet-on-wet for longer. If very large amounts are added, the water resistance of acrylic paint can be reduced. Therefore, thickeners should only be used indoors. The manufacturer's specifications for the thickeners generally refer to the use of the manufacturer's own acrylic paints. However, it is also possible to use the painting materials from one manufacturer with acrylic paints from other manufacturers. In this case, however, the optimal dosage and effects may differ.
The thickeners are available in various container sizes from 50 ml to 5 liters.

Instructions for use

Basically, the products of the individual manufacturers differ from one another in such a way that the manufacturer's instructions should be observed with regard to the dosage recommendation. As a rule, the thickener is first mixed with water and then added to the acrylic paint. However, it can also be mixed in undiluted. With larger amounts of paint, it is advisable to use a well-closing vessel for mixing and to shake the individual components well. Depending on the product, it can take a few minutes for the thickener to fully react with the color and for the desired effect to occur.