Priya Kapoor
Whether you should paint polymer clay before or after baking depends on the type of paint and the desired effect. Water-based acrylic paints, for instance, can be applied before or after baking, while paint pens and oil paints are best used after baking. If you want a crackled finish, you should paint your clay before baking it, but if you're aiming for an antique finish, it's better to paint after. Additionally, if you're using a liquid paint, such as acrylic paint, it's recommended to paint polymer clay after baking, as liquid paints can deform the clay and cause discolouration.
| Characteristics | Values |
|---|---|
| Best type of paint to use before baking | Chalk pastels, mica powder, alcohol ink |
| Best type of paint to use after baking | Water-based acrylic paint, oil paint, paint pens |
| Advantages of painting before baking | Better bond with paint, can create a crackled finish |
| Disadvantages of painting before baking | Paint may become discoloured or cracked, may not adhere to clay |
| Advantages of painting after baking | Easier to paint without deforming the clay, can add glossy finish |
| Disadvantages of painting after baking | Paint may not secure properly |
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What You'll Learn
Painting polymer clay before baking: the pros and cons
Polymer clay can be painted either before or after baking, and each method has its advantages and disadvantages. Here is an overview of the pros and cons of painting polymer clay before baking:
Pros:
- Unbaked clay may create a better bond with the paint as it cures, resulting in a stronger and more durable finish.
- Painting before baking can be useful if you desire a crackled finish on your creation. Acrylic paint, for example, dries with little stretch, resulting in a crackled effect once the clay is baked.
- If you want to add extra details or highlights to your design, painting the clay before baking allows you to do so. You can use paint to accentuate the details and lines scored into the clay before it is baked.
- Certain types of paint can be used before baking, such as chalks, chalk pastels, and mica powder. These materials can add colour and texture to your creation without needing to be baked.
- If you want soft colours, it is better to use pastels or chalk before baking, as these colours may change when baked.
Cons:
- The paint may discolour or crack during the baking process, altering the desired appearance of your creation. It is important to test the paint on a small piece of scrap clay before applying it to your main project.
- Water-based paints, such as acrylics, can turn to steam during the baking process, creating bubbles in the clay. This may be desirable for some crafters trying to replicate materials like stone, but it can be a disadvantage for those seeking a smooth finish.
- Paint applied before baking may not be as vibrant or intense as paint applied after baking, especially when using chalks or chalk pastels.
- Some types of paint, such as paint pens, are generally not water-based and should be applied after baking to ensure the best results.
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Painting polymer clay after baking: the pros and cons
Polymer clay can be painted after baking. This is a good option if you want to avoid the paint discolouring or cracking during the baking process. It is also easier to paint the clay once it has hardened, as you don't have to worry about deforming it.
One benefit of painting polymer clay before baking is that it can create a better bond with the paint. However, this can be avoided by ensuring that the paint is dry before baking, and using a top coat or sealant.
If you choose to paint your polymer clay after baking, it is recommended to use water-based acrylic paints. Before painting, test the paint on a small, hidden section of the clay to ensure there are no adverse reactions. Apply the paint in thin coats, rather than one thick coat, for the best coverage.
Some crafters desire a crackled finish, which can be achieved by painting the clay before baking. This can be done with acrylic paint, or by using metallic paint for a shiny effect.
Another option is to use antiquing mediums, which are a type of acrylic paint with a slick, oily feel that gives you more time to work. These can be applied over the surface and then wiped back with a damp towel or sponge to create an antique finish.
Overall, there are valid reasons to paint polymer clay both before and after baking, and it may depend on the specific project and the desired effect.
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The best types of paint to use before baking
There are several types of paint that can be used on polymer clay before baking. The best paint for the job will depend on the desired effect, as some paints will create a crackled finish, while others will not.
Water-based acrylic paints are a good option for painting polymer clay before baking. They can be mixed with the clay to add colour or painted directly onto the clay's surface. If using acrylics, it is important to note that the paint may need to be heat cured after baking to prevent it from scratching off. To create an antique finish on beads, jewellery, or other clay items, dilute the acrylic paint and brush it onto your creation, wiping off any excess before it dries.
Chalk pastels can be dusted onto the clay before baking to add colour, but they may not be as intense as other options. Similarly, mica powder can be used to colour the clay before baking and is a popular choice among polymer clay artists.
Alcohol ink can be used on polymer clay before and after baking, but it may change colour during the baking process, so it is important to make test samples first.
Some crafters desire a crackled finish, which can be achieved by painting the clay before baking. Acrylic paint works well for this, as it does not stretch much once it dries. Paint a layer of acrylic paint onto a sheet of raw clay and let it dry, then roll out the clay and cut or form it into your desired shape.
When painting polymer clay before baking, it is important to test different types and brands of paint to find the best results, as some paints may not react well to clay or heat. It is also a good idea to test on a small piece of scrap clay first to ensure that the paint does not bubble or change colour during the baking process.
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The best types of paint to use after baking
While it is possible to paint polymer clay both before and after baking, there are some advantages to painting it after it has been cured. Firstly, it is easier to paint when the clay is hard, as there is no risk of deforming the shape. Secondly, baking the clay may cause the paint to become discoloured or cracked.
When it comes to choosing the best type of paint to use after baking polymer clay, there are several options available:
- Acrylic paint: Acrylic paint, particularly water-based varieties, is a popular choice for painting polymer clay after baking. It is recommended to test the paint on a small section of the project first, as some acrylic paints may need to be heat-cured after application.
- Alcohol ink: Alcohol ink can be used both before and after baking polymer clay. It is a tried-and-true option for all clay types and can be used to create a stained effect.
- Chalk pastels: Chalk pastels can be dusted onto the clay before baking to create soft colours. However, they can also be used after baking for a more subtle, less intense colour.
- Oil paint: Oil paints can be used after baking polymer clay and can give a wonderful translucent look.
- Gilders Paste: Gilders Paste can be baked at high temperatures without discolouration or alteration to the colours. It can be baked multiple times, with the wax disappearing and leaving behind just the pigment.
It is important to note that the choice of paint may depend on the desired effect and the type of clay being used. It is always a good idea to test different types and brands of paint on a small section of the project or on a scrap piece of clay before proceeding, as some paints may not react well with the clay or heat.
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How to paint polymer clay with different finishes
Painting polymer clay allows you to add intricate details and beautiful finishes to your creations. You can paint polymer clay both before and after baking, depending on the type of paint and finish you desire. Here are some tips on how to paint polymer clay with different finishes:
Before Baking:
You can paint polymer clay before baking if you want soft colours. Chalk pastels and alcohol ink can be used before baking. If you want to add paint before baking, dust on colours with chalk pastels or use silk screening with acrylic paint. Silk screening involves applying paint through a silk screen onto a sheet of clay. This technique works best with acrylic paint as it is easy to remove from tools and the screen with water. Ensure the paint is dry before baking.
After Baking:
Painting polymer clay after baking is generally easier as the clay is hard, reducing the risk of deforming your creation. Acrylic paint is commonly used after baking. You can also use oil paints, which give a translucent finish. When using acrylic paint, first test it on a small area to ensure it doesn't interact negatively with the clay. Allow the paint to dry, then seal your creation with a glaze or varnish. You can use a glossy or matte glaze, or a spray varnish, to protect your paint job and add a beautiful finish.
Antiquing:
Antiquing is a finishing technique that adds depth and age to your creation. You can use antiquing mediums, which are a type of acrylic paint with a slick, oily feel, to add depth to cracks and crevices in your baked creation. Brush on the medium, then wipe off the excess with a damp towel or sponge. You can also create an antique finish by diluting acrylic paint and brushing it onto your creation, then wiping off the raised areas before it dries.
Mixing Paint with Clay:
You can also add colour to your clay by mixing paint directly into the uncured clay. This technique can create varying results, as the water in water-based paint can turn to steam and create bubbles in the clay when baked. If you want to create bubbles, go ahead and mix water-based paint into your clay. If you don't want bubbles, use a small amount of heavy body acrylic paint instead.
Remember to always follow the package instructions for baking your polymer clay, and test new paints and finishes on a small area first to ensure they interact well with your clay.
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Frequently asked questions
Yes, you can paint polymer clay before baking it. Chalk pastels, mica powder, and alcohol inks are some paints that can be applied before baking. You can also mix water-based paint into the clay before curing it.
Yes, you can paint polymer clay after it has been baked. Water-based acrylic paints are great for painting polymer clay. Paint pens also work well on baked polymer clay.
It's important to test different types and brands of paint to find the best results. While paint that's baked onto polymer clay will rarely burn or bubble, it can change colours as it bakes. If you're painting the clay before baking it, make sure the paint is dry before putting it in the oven.
