For the purpose of this article, we’ll focus in on acrylic. The main difference between acrylic paint and oil painting seems to me that the acrylics have less “moisture”—which is a good thing—and you get less of it.
What kind of acrylic?
For this discussion, I’ll focus on water-based acrylics, but I’ll point out that there is an even mix of water- based and oil-based acrylics (see my page on acrylics for more information).
Acrylics come in a few varieties:
Acrylics are a type of oil paint.
Acrylic paint is transparent; most acrylics are also opaque, including polymers and water-based paint. Acrylics can be cured as a solid or mixed for painting.
Acrylic paints vary in color: a wide range of colors have been added to water-based acrylics, including: red, cyan, blue, yellow, and orange. The most commonly used colors are red, blue, yellow, orange, green, and orange-red. In addition, there are colors not found in water-based paints, such as cyan, magenta, ochre, and violet.
Acrylics are nonporous acrylics or polymers.
Polymers such as acrylics are nonporous. When mixed with water, they form a solid. Some polymers require heat to cure (but not many do). The best example of this is enamel, which is the most common type of resin. Some oil-based acrylics are also nonporous. The best example is lacquer, a type of metal paint. Some water-based acrylics also have anti-microbial properties (and hence should never be used in the garden).
Acrylic paints have several advantages and disadvantages over oil paints, especially on the subject of moisture absorption. For this article, we’ll focus only on acrylics for simplicity; in a later article I’ll discuss more water-based acrylics (such as acrylic paint and water-based acrylics, polymers, and water-based paints) and compare their relative moisture absorption.
What are the advantages and disadvantages of acrylic paint?
Advantages of the acrylics are similar to those of water-based acrylics except that they provide less surface area. Water-based paint has a good surface area for thick layers of material to stick to it and be painted. To show this,
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