Chloe Zhang
Spray painting plastic toys can be a great way to give them a new lease of life, but it's important to take the right precautions and use the correct techniques to ensure a safe and effective paint job. In this guide, we'll cover everything you need to know about how to spray paint plastic toys with lacquer-based paint, from choosing the right paint and primer to preparing the surface and applying the paint. We'll also discuss the potential risks and how to minimise them, so you can confidently give your old plastic toys a colourful makeover.
Spray Painting Plastic Toys with Lacquer-Based Paint
| Characteristics | Values |
|---|---|
| Best practice | Spray painting should be done outside to avoid fumes and overspray |
| Preparation | Check paint can for temperature requirements, lay down a tarp, plastic sheet, or cardboard to protect the area |
| Tape off areas that should not be painted with painter's tape | |
| Clean the plastic toy with soap and water to remove any build-up, then use rubbing alcohol to wipe down the surface | |
| Primer | Use a plastic-specific primer, applying it in light coats after the surface has been roughed up with sandpaper |
| Allow the primer to dry fully before applying the final colour | |
| Spray paint application | Hold the can 8-12 inches away from the toy and tilt down at a 45-degree angle to spray light coats |
| Spray in one direction in a close zig-zag pattern, without going backwards | |
| Allow each coat to dry thoroughly before applying the next | |
| Sand lightly with fine sandpaper between coats to smooth out rough spots | |
| Wipe away paint dust with a dry and then a wet cloth | |
| Shake the paint can occasionally to keep the paint mixed evenly | |
| Cure time | Leave the painted toy for several days to cure before use |
| Non-toxic options | Water-based spray paints, such as Pintyplus Evolution Water-based paint, are low-odour and non-toxic once cured |
| Annie Sloan's clear lacquer is toy-safe but needs 14 days to cure | |
| All Krylon spray paints are non-toxic when cured, and Krylon Triple Thick Clear is recommended for a clear coat | |
| Polyurethane spray-on clear coat is another non-toxic option for a natural finish |
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What You'll Learn
Prepare your area: Spray outside, cover the ground, and check the temperature
Spray painting is best done outdoors, so find a spot outside with plenty of fresh air and ventilation. Choose a location that is well-ventilated and away from any flammable materials or sources of ignition. Make sure you have enough space to move around freely and that the area is protected from any wind or weather conditions that could affect the spray paint application.
Before you begin, cover the ground with a tarp, plastic sheet, or a large piece of cardboard. This will protect your lawn, patio, or any other surface from paint drips and overspray. Cardboard is particularly useful as paint soaks into it easily. If there are specific areas you want to protect from paint, such as windows or doors, use painter's tape or plastic wrap to cover them. You can also use painter's tape to secure plastic wrap in place if needed.
Check the temperature requirements on the paint can. Spray paint typically has an ideal temperature range for application, and it's important to ensure that it's not too cold for the paint to set properly. The temperature can affect how the paint adheres to the surface and dries, so make sure to follow the manufacturer's instructions for the best results.
Additionally, consider the temperature sensitivity of the plastic toys you're painting. Plastic responds to temperature changes and can expand or contract, making it prone to cracking or flaking over time. If possible, avoid painting plastic toys that will be placed in direct sunlight or exposed to extreme temperature fluctuations.
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Clean the plastic toy with soap and water
Before you begin spray painting a plastic toy, it's important to clean the surface thoroughly. This is because any kind of build-up on the plastic can reduce the ability of the paint to adhere to the surface. To clean the plastic toy, use a sponge with soap and water to clean all surfaces. If there is any kind of build-up on the plastic, use rubbing alcohol to wipe down the surface before painting.
It is also recommended to sand the toy with fine sandpaper before cleaning. This will help to create a smoother surface for the paint to adhere to. Sand the toy to a high level of smoothness, and if there are any wheels, do not attach them until all of the parts are finished being painted. Once the toy has been sanded and cleaned, you can move on to the next step of applying a primer.
When cleaning the plastic toy, it is important to ensure that all surfaces are thoroughly cleaned, including any nooks and crannies. This will help ensure that the paint adheres evenly to the surface. Once the toy has been cleaned, rinse it with clean water to remove any soap residue. After rinsing, dry the toy with a soft cloth to remove any remaining water.
It is important to note that if you are using a plastic-specific primer, it is recommended to apply it after the surface has been roughed up a bit with sandpaper and cleaned. Apply the primer in even, light coats and allow it to dry thoroughly before proceeding to the next step of spray painting. Remember to always work in a well-ventilated area when using paints and solvents, and consider wearing a respirator mask for protection.
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Use a plastic-specific primer: Spray in thin, even coats
When it comes to spray painting plastic toys with lacquer-based paint, using a plastic-specific primer is a crucial step to ensure a durable and smooth finish. Here's a detailed guide on how to apply the primer effectively:
Before you begin, it's important to prepare your work area. Spray painting should ideally be done outdoors to ensure proper ventilation and to avoid inhaling the fumes. Place the plastic toy on a flat surface, such as a cardboard box or a tarp, to protect the surface underneath. It's also a good idea to wear protective gear, including a respirator mask, to safeguard yourself from the paint fumes.
Now, let's turn our attention to the toy itself. Start by giving the plastic toy a good cleaning. Use a sponge with soap and water to remove any dirt, dust, or grease that may be on the surface. This step is important because any build-up on the plastic can reduce the adhesion of the paint. If there is stubborn build-up, you can use rubbing alcohol to wipe down the surface.
Once the toy is clean and dry, it's time to roughen the surface slightly. Use fine-grit sandpaper to gently sand the areas you plan to paint. This step will help the primer adhere better to the plastic surface. Make sure to wipe away any dust or debris with a dry cloth after sanding.
With the toy prepared, you can now apply the plastic-specific primer. Hold the primer spray can about 8-12 inches away from the toy, and tilt it down at a 45-degree angle. Start spraying in light, thin, and even coats, moving in one direction and creating a close zig-zag pattern. Avoid spraying too closely or going back over areas you've already sprayed to prevent applying too much primer in one spot.
Allow the primer to dry completely according to the manufacturer's instructions before proceeding to the next step. It's important to be patient at this stage, as rushing the drying process can affect the final result. Once dry, you can proceed to spray paint the toy with your chosen lacquer-based paint.
Remember, when working with lacquer-based paints, it's important to prioritize your safety. These paints can be toxic, so always work in a well-ventilated area and consider using a respirator mask with organic solvent filters for added protection.
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Spray paint with your chosen lacquer-based paint
Before you begin spray painting, ensure you are set up in a well-ventilated area, preferably outside. Put down a tarp, plastic sheet, or cardboard to protect the ground from paint. If there are areas you don't want to paint, tape them off with painter's tape or wrap them in plastic and secure with tape.
It is recommended to use a plastic-specific primer first, after the surface has been roughed up with sandpaper and cleaned. If you are using an acrylic paint, you will need a strong primer. You can also use a shellac-based primer, either water-based or alcohol-based. Allow the primer to dry according to the instructions on the can.
When you are ready to spray paint, hold the can 8-12 inches away from the item and tilt it down at a 45-degree angle. Spray light coats of paint in one direction, using a zig-zag pattern without going backward.
Lacquer paints dry quickly, so you can continue your work soon after. You can also layer clear coats or varnish on top, or even sand it back if needed. Remember to shake the paint can occasionally to keep the paint mixed.
If you get any rough spots, you can use extra-fine sandpaper to gently smooth them out when the paint is completely dry. Then, wipe away the paint dust with a dry and then a wet cloth.
For toys, it is recommended to allow the paint to cure for a week or two before use.
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Allow the paint to cure for a few days before use
When spray painting plastic toys with lacquer-based paint, it is important to allow the paint to cure for a few days before using the toy. Paint curing and drying are two different processes. While paint may dry quickly, curing takes longer and involves the paint hardening and the
Allowing lacquer-based paint to cure for a few days is essential for the paint to reach its full hardness, and durability. This process ensures the paint is bonded to the plastic surface and helps to prevent peeling or flaking. The curing time can vary depending on the paint used, environmental conditions, and the surface painted. For example, some paints may take 14 days to cure, while others may take up to 21 to 30 days.
During the curing process, it is best to be gentle with the painted toy. Avoid placing sharp objects on the surface, and if possible, keep the toy in a well-ventilated area. It is also important to note that the toy may still emit a slight solvent odour even after the recommended curing time, which is normal.
By allowing the paint to cure for a few days, you can be confident that the lacquer-based paint has fully adhered to the plastic toy, ensuring a long-lasting and safe finish. This extra time and patience will result in a high-quality paint job that will withstand everyday use.
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Frequently asked questions
It is recommended to use a water-based spray paint that is low odour and can be sprayed directly onto plastic. For example, Pintyplus Evolution Water-based paint is certified for toy safety in the US and Europe. If you are using acrylic paint, you will need to use a strong primer first.
First, clean the toy with soap and water to remove any build-up. Then, use sandpaper to roughen the surface. Next, apply a plastic primer and allow it to dry.
Spray the paint in thin, even coats, keeping the can 8-12 inches away from the toy and tilting it down at a 45-degree angle. Allow each coat to dry thoroughly before applying the next one.
