Omar Khalid
Stripping paint off plastic miniatures is a common practice for those who want to give their models a new coat of paint. There are various methods and products available to strip paint, such as isopropyl alcohol, denatured alcohol, and methylated spirits. Some products, like acetone, should be avoided as they can melt plastic. The process may require multiple soaks and scrubs with a toothbrush, and it's important to take safety precautions when working with chemicals, such as wearing gloves and a dust mask. Some people also use an ultrasonic bath to clean their miniatures, but it may not be necessary to purchase one specifically for this purpose.
| Characteristics | Values |
|---|---|
| Chemicals/Solvents | Isopropyl alcohol, Denatured alcohol, Methylated spirits, LA's Totally Awesome, Biostrip 20, Windex, Dettol |
| Tools | Container with a lid, toothbrushes, pipe cleaners, toothpicks, gloves, mouth protection, dust mask, airbrush extractor station |
| Process | Soaking, scrubbing, rinsing, repeating as needed |
| Considerations | Volatility and odour of solvents, toxicity and skin irritation, flammability, exposure time, protection from children, compatibility with plastic |
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What You'll Learn
Use isopropyl alcohol or methylated spirits
When using isopropyl alcohol or methylated spirits to strip paint from plastic minis, it is recommended to use a 90% isopropyl alcohol solution, as lower concentrations may not be as effective at removing paint. It is important to note that isopropyl alcohol may not remove all the paint, but this may not be an issue depending on the purpose of the minis.
To use isopropyl alcohol, you can place the minis in a sonic bath, ensuring that the vibration and heating are not excessive. Alternatively, you can submerge the minis in the solution for around 12 hours and then use a toothbrush to scrub away the remaining paint. If you are using methylated spirits, a shorter submersion time of about 15 minutes should be sufficient, and this will also remove the primer.
It is important to take safety precautions when working with these chemicals. Wear gloves and perform the procedure in a well-ventilated area or outdoors. Be cautious when handling the minis after they have been soaked in the solution, as they may be fragile.
Some users have reported that isopropyl alcohol was ineffective at removing paint from their minis, even after extended soaking times. Therefore, it is recommended to test the solution on a single mini before applying it to an entire collection. Additionally, avoid using products that contain acetone, as they can melt plastic.
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Avoid acetone, which melts plastic
When stripping paint from plastic miniatures, it is important to avoid using acetone, as it will melt the plastic. While some plastics are resistant to acetone, others will dissolve when they come into contact with it. The concentration, temperature, length of exposure, frequency, and presence of other chemicals can all affect how acetone interacts with plastic.
To avoid accidentally melting your miniatures, it is recommended to use isopropyl alcohol or denatured alcohol/methylated spirits instead. These substances are effective at removing paint without damaging the plastic. However, it is important to note that isopropyl alcohol is highly flammable, so caution should be exercised when using it.
Another option for stripping paint from plastic miniatures is to use a commercial product specifically designed for this purpose, such as Biostrip 20, which is non-toxic and safe to handle with bare skin. While it may take multiple dips to remove multiple layers of paint, it is an effective and safe option.
If you are looking for a more natural solution, you can try soaking the miniature in a Windex and water solution. Windex contains ammonia, which can easily peel paint off miniatures. After soaking, use a brush to scrub away the remaining paint. This method may require multiple soaks and scrubs, but it is a cheap and relatively odourless option.
In general, it is important to take safety precautions when working with chemicals. Wear gloves and mouth protection to avoid exposure to harmful substances. Keep the work area well-ventilated and avoid prolonged exposure to the chemicals. Remember to keep all materials out of the reach of children.
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Soak minis in a Windex and water solution
So, you want to strip paint from your plastic minis without damaging the primer? Well, you can try a Windex and water solution. Windex contains ammonia, which can easily peel paint from minis. It's also cheap and doesn't leave a strong smell.
First, you'll need a container with a lid, as most solvents are volatile and odorous. An old plastic takeout box or a pickle jar will do. You'll also need an old toothbrush for scrubbing and some paper towels or newspaper to cover your workspace.
Now, simply soak your minis in the Windex and water solution. After a while, take a brush to it and scrub. If the paint doesn't come off in certain spots, you can try soaking the mini again and using a finer brush to scrub those areas. Alternatively, you can leave those spots as they are and incorporate them into your new paint job.
If you're concerned about the toxicity of the solution, you can try a non-toxic product like Biostrip 20. However, be aware that it may take a few dips to remove multiple layers of paint. Also, remember to always wear gloves and keep pets away when working with any chemicals.
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Scrub with toothbrushes and pipe cleaners
When stripping paint off miniatures, it is important to have the right tools. You will need a plastic container, a soft-bristle brush, an old toothbrush, and a cloth. You can use a soft-bristle toothbrush, but hard-bristled toothbrushes are more effective at scrubbing away the paint. Pipe cleaners are also useful for scrubbing hard-to-reach places.
Before you begin scrubbing, you will need to soak the miniature in a stripping solution. You can use isopropyl alcohol, which is easy to find and inexpensive. However, be careful not to leave the miniature soaking for too long, as it can be harsh on certain materials, especially resin. Soak the miniature for between 10 and 30 minutes, then use your toothbrush to gently scrub and wipe away the softened paint. Repeat the process if needed until the paint is completely removed.
If you are using an ultrasonic cleaner, place your miniatures into the water and start a cycle. Repeat this process for about three to five cycles or more if necessary. You can also add light dishwashing soap to the device, but be sure to check the manual first.
Once the paint has been removed, you can rinse your miniature under tap water or use a container with clean water for the final washing step. You can then polish your model with a clean cloth. Remember to always work in a well-ventilated area when using chemicals, and consider wearing gloves and mouth protection to avoid exposure to the solvents.
It is important to note that some paints and primers may be more difficult to remove than others. For example, old enamel paint and certain spray paints can be harder to strip. Additionally, paint on the glued seams of miniatures may not come off, as it bonds to the glue. In these cases, you may need to scrape off the paint with a tool like a file or a toothpick.
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Wear gloves and keep pets away
When stripping paint from minis, it is important to wear gloves to protect your skin from harsh chemicals. Some chemicals can dehydrate your skin, and certain solvents can even penetrate gloves, so it is important to be cautious. For example, acetone and isopropyl alcohol can permeate latex or nitrile gloves. Before wearing gloves for an extended period, check for latex allergies, and avoid wearing gloves for more than two to three hours per day. Additionally, keep in mind that most paint strippers are highly flammable, so exercise caution.
To ensure the safety of your pets, keep them away from the work area. Some paint strippers, such as Dettol, can be toxic to cats due to the presence of pine oil. The strong odours emitted by paint strippers can also be harmful to pets. It is recommended to work outdoors or in a well-ventilated area to minimise the impact of these odours on both yourself and your pets.
When working with chemicals, it is crucial to take necessary precautions. Avoid prolonged exposure to these substances, and consider using mouth protection in addition to gloves. Keep all materials out of the reach of children. If you can smell or feel the solvent, it is likely that it is causing harm. Always refer to the manual before using any chemical product.
By following these precautions and prioritising safety, you can effectively strip paint from minis while minimising potential risks to yourself and your pets.
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Frequently asked questions
You can use isopropyl alcohol, denatured alcohol, or methylated spirits. Do not use anything with acetone in it, as it will melt the plastic.
Place your miniatures in a container with a lid, such as a plastic takeout box or jar, and cover them with your chosen solvent. Soak the miniatures for several hours or days, then scrub the paint off with a toothbrush. Repeat this process until all the paint is removed.
Always wear gloves and mouth protection when working with chemicals, and keep the area well-ventilated. Do not expose yourself to the chemicals for too long, as some may dehydrate your skin. Keep all materials away from children and pets.
