Chloe Zhang
Painting plastic car door handles can be a tricky task, as they have hidden areas that are only exposed when the handle is open. Car door handles are composed of plastic or metal, and each of these surfaces is ill-suited for paint adhesion. To ensure full paint coverage, you must condition the handles a particular way, depending on their composition, or the paint will ultimately be rejected. This article will provide a step-by-step guide on how to paint plastic car door handles, including the necessary tools and techniques for achieving a successful outcome.
Characteristics and Values Table for Painting Plastic Car Door Handles
| Characteristics | Values |
|---|---|
| Surface | Plastic or metal |
| Surface Preparation | Clean with dish soap and water, dry, sand until slightly gritty, abrade to promote adhesion |
| Paint Type | Oil-based spray primer, spray enamel |
| Paint Application Distance | 8 inches |
| Curing Time | 4 hours |
| Number of Coats | 3 |
| Flash Time Between Coats | 30 minutes |
| Sealer | 2K Aerospray Epoxy |
| Protection | Gloss Clear |
| Cost | $60-$160 |
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What You'll Learn
Preparing the surface
Car door handles are made of plastic or metal, and both surfaces are not suitable for paint adhesion. To prepare the surface of plastic car door handles for painting, start by scrubbing the handles with ordinary dish soap and a sponge. Rinse the handles with a water hose and dry them thoroughly with clean cloth towels. Next, sand the handles with sandpaper until they have a slight grit. This will promote adhesion and ensure the paint sticks to the plastic surface.
After sanding, use masking paper and painter's tape to cover the areas that you don't want to be painted, such as the doors and other parts of the car. This will protect them from paint overspray. Make sure to use professional painter's tape, as it is low-tack and can be easily removed without damaging the surface.
If your car door handles are metal, the preparation process is slightly different. Start by scrubbing the handles with dish soap and rinsing them thoroughly, as before. Instead of sanding, coat the metal handles with a galvanized metal etching spray primer. Apply the primer evenly and maintain a distance of about 8 inches between the handle and the spray nozzle. Allow the primed handles to cure for at least 4 hours before proceeding to the next step.
Whether your car door handles are plastic or metal, it is crucial to follow the specific preparation steps for each material to ensure proper paint adhesion and a smooth finish.
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Choosing the right primer
Car door handles are made of plastic or metal, and both these surfaces are not fit for paint adhesion. This means that they must be conditioned in a particular way to ensure the paint sticks.
If you are painting plastic car door handles, you should use an oil-based spray primer. Hold the spray nozzle about 8 inches away from the handle and apply the primer. Then, wait for about 4 hours for the primed handles to cure.
For metal car door handles, use a galvanized metal etching spray primer. Again, hold the nozzle about 8 inches away from the handle. Do not use an ordinary acrylic latex or oil-based primer on metal car door handles as the finish will fail.
After priming, coat the handles with an oil-based spray enamel. Maintain a distance of about 8 inches between the door handle and the spray nozzle. Wait for at least 6 hours before touching the handles. You can skip this step if the handles are metal.
You can also use a detail spray gun for precision, especially when dealing with small parts like door handles. Apply three even coats of the primer, allowing proper flash time between coats.
To ensure full paint coverage, you can wedge a trimmed mixing stick or a similar tool into the spring mechanism on the backside of the handle to keep it open. Carefully mask any areas that shouldn't be painted, such as rubber gaskets or mounting points.
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Applying the primer
To ensure full paint coverage of your car door handles, wedge a trimmed mixing stick or similar tool into the spring mechanism on the backside of the handle to keep it open. This will help you paint those hidden areas that are only exposed when the handle is open. Next, you'll need to mask any areas that shouldn't be painted, such as rubber gaskets or mounting points. Use masking paper and painter's tape to cover these areas and protect the doors from paint overspray.
Now, it's time to apply the primer. If you have a plastic car door handle, you should use an oil-based spray primer. Hold the spray nozzle about 8 inches away from the handle and apply the primer in a steady, controlled manner. It's important to maintain this distance to ensure an even coat. Once you're done priming, wait for at least 4 hours to let the primer cure.
If your car door handle is made of metal, the process is slightly different. For metal handles, you should use a galvanized metal etching spray primer. Again, maintain a distance of about 8 inches between the spray nozzle and the handle as you apply the primer. Similar to plastic handles, you'll need to give the primed metal handles enough time to cure.
After the primer has cured, you can move on to the next step of coating the handles with an oil-based spray enamel. This will provide a durable and glossy finish to your handles. Remember to maintain the same 8-inch distance between the spray nozzle and the handles during this step. Once you've applied the enamel, exercise patience and wait for at least 6 hours before touching the handles.
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Applying the paint
To apply the paint, you will need to decide whether to use a spray gun or a rattle can. If you have the equipment and know-how, a spray gun will give a more professional finish. If you don't have the equipment, consider taking the door handles to a body shop to be painted.
If you are using a spray gun, you will need to apply a primer. For plastic handles, use an oil-based spray primer. Hold the spray nozzle about 8 inches from the handle as you apply the primer. Wait 4 hours for the primer to cure before applying the paint.
For the paint, use an oil-based spray enamel. Again, hold the spray nozzle about 8 inches from the handle. You will need to wait 6 hours before touching the handles. You may need a second coat of enamel if the primer bleeds through.
If you are using a rattle can, you will not need to apply a primer first. However, you will still need to wait for the paint to cure before touching the handles.
To ensure full paint coverage, wedge a trimmed mixing stick or similar tool into the spring mechanism on the backside of the handle to keep it open. Carefully mask any areas that shouldn’t be painted, like rubber gaskets or mounting points.
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Finishing and sealing
Sanding and Abrading:
Before applying any paint, it's essential to prepare the surface of the plastic car door handles. Sand the handles with fine-grit sandpaper until they have a slight grit texture. This process helps create a surface that promotes better paint adhesion. Ensure you don't oversand, as it can damage the handles' surface.
Priming:
Priming is a critical step in ensuring a durable finish. For plastic car door handles, use an oil-based spray primer specifically designed for plastic surfaces. Maintain a consistent distance of about 8 inches between the handle and the spray nozzle during application. Allow the primer to cure for at least 4 hours before proceeding to the next step.
Painting:
When it comes to painting, opt for an oil-based spray enamel. Again, maintain the same 8-inch distance between the handle and the spray nozzle. Apply light, even coats, and wait for the recommended time between coats, usually around 6 hours. The number of coats will depend on the desired finish and the paint system you're using. Some systems require a white undercoat, while others might need a different base colour.
Sealing:
To protect your paint job and ensure its longevity, sealing is essential. Use a clear, durable sealer, such as a 2K Aerospray Gloss Clear, to provide a glossy and protective finish. Apply a light tack coat first, followed by two to three wet coats for the best results. This process will help lock in the paint and protect it from the elements and general wear and tear.
Curing:
After sealing, allow the handles to cure fully before reinstalling them. Curing times can vary, so refer to the manufacturer's instructions for the specific products you've used. Proper curing ensures that the paint is fully hardened and ready for everyday use.
Final Thoughts:
Always remember that preparation is key to a successful paint job. Take your time with each step, from cleaning and sanding to priming and painting. Additionally, ensure you work in a well-ventilated area and use the appropriate safety gear, including gloves, eye protection, and a respirator.
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Frequently asked questions
Before painting, scrub the handles with dish soap and a sponge, then rinse and dry them thoroughly. Next, sand the handles until they have a slight grit to promote adhesion. Finally, cover the doors with masking paper and painter's tape to protect them from paint overspray.
Use an oil-based spray primer and an oil-based spray enamel. Hold the spray nozzle about 8 inches away from the handles when applying the primer and enamel.
Wait 4 hours for the primer to cure, and 6 hours before touching the handles after applying the enamel.
