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When high-quality acrylic paint dries, it doesn't stick at all. The drying time depends on the thickness of the coating layer and the relative humidity of the environment. Thin coatings should be dried in seconds or minutes; thick coatings may take days, although the surface of the coating will soon feel dry. As the acrylic coating dries, a longer polymer chain is formed, resulting in a uniquely durable and flexible surface. If the paint you are using is still sticky, my best guess is that it is either very poor quality paint or has been contaminated with other chemicals (such as alcohol) . Always use the best tools and materials you can afford.

A week or a month later, my work is still sticky! It happens to me more than once at different times of the year, so it doesn't have to be the outside humidity or temperature. The one thing that doesn't change is who's drawing, and that's you. Therefore, you can perform the following different actions to fix it:

You may need to tweak your technique a bit. You may need to use a smaller brush and work in smaller sections. Alternatively, you might want to slow down while painting and let each layer dry out completely, then add another layer at the top and suffocate the layer below. (as you know, a viscosity test is performed on the back of the knuckle to ensure that no fingerprints are left before proceeding to the next layer. Please make sure you use Gesso as well as a primer. Do not mix brands such as student paint and specialty paint. Note that some colors dry faster than others (such as cadmium red). This can lead to water retention. I went too fast and ended up with too many layers that were still sticky after a week. Especially if I add layers of paper. It never does! Or, you may need to speed up and add another layer faster. If the paint layer is uneven, the edges will dry faster than the middle layer, and you wouldn't want to add another layer. Try to equalize the thickness so that the edges do not dry faster than the middle zone.

I had to... If you can't change your time or technique, sprinkle it with paint, translucent powder (makeup), eye shadow, blush or Bronzer, cornstarch or rice starch, or metal powder! It will finally stop sticking. I use a Washi brush from a wide painter or a regular puffy makeup brush. But I hope you finished painting by then. I haven't tried to re-enter to see if I try to add more paint after dusting and if it comes off. It may damage the new layer. However, this technique can even solve some really sticky caulking problems that have been used on door sidelights for years before I was finally able to paint them.

If you're going for museum-quality, you might want to start using additives such as extenders, Gel media, and so on. Many people make the mistake of adding too much water. IT'S ACRYLIC PAINT! It can't be treated like any other paint. This is not watercolor, you can mix water as much as you want. (adding water won't cause stickiness problems.) It's not paint, either. COPOLYMERS must be able to find each other and you can not make them thin. It wasn't painted then. You just made a mess If you add an additive, it will be more transparent or feel moister on the brush, or you will have more time to process the paint that is placed, and the surface will not dry out too quickly, trapping moisture too early. So you can add another layer that will stick to the bottom layer and then dry out more evenly. Imagine, it's like Nail Polish If you're impatient, or if you let it dry out completely before adding more, you need to thicken your layer from the beginning so you don't try to touch it over and over again. If the paint can be sucked from the back, where should the moisture escape? But what is your substrate? Wood. ? You may need to try using a new substrate, primer or coating layer thinner or thicker, different times between uses, etc. If you know the properties of acrylic acid, you can use acrylic acid very well