Sofia Martinez
Black automotive plastic is prone to fading and discolouration over time, especially car trims and bumpers. This is due to exposure to sunlight, UV rays, harsh weather, and contaminants from the road. Luckily, there are several ways to restore black automotive plastic to its original condition. This can be done using household items like olive oil or a heat gun, or specialised products like plastic restorers, coatings, and sealants. It is important to follow safety guidelines and use the correct techniques and products specifically designed for automotive plastics to achieve the best results.
| Characteristics | Values |
|---|---|
| Cause of discolouration | UV rays, sunlight, harsh weather, surface water, grime, other contaminants |
| Prevention | Protection from above elements |
| Restoration methods | Heat gun, olive oil, black spray paint, black plastic trim moisturiser, specialised restorers, plastic adhesion promoter, acetone, sand |
| Restoration products | Solution Finish Black Plastic Restorer, Solution Finish Over The Top Plastic Sealer, Torque Detail Plastic Restore, Carpro PERL, C4 by Gtechniq, Chemical Guys products |
| Safety precautions | Wear protective gear, work in a well-ventilated area, read product labels thoroughly |
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What You'll Learn
Clean the plastic with soap and water
To refinish black automotive plastic, it is important to start with a clean surface. This ensures that any product you apply to the plastic adheres well and does not slip off. Here is a detailed, step-by-step guide on how to clean the plastic with soap and water:
Prepare the plastic for cleaning:
Before cleaning, it is important to identify the type of plastic you are working with. Some plastics, especially those used in automotive trim and bumpers, can be prone to fading and discolouration. These plastics will benefit from a gentle cleaning approach to avoid further damage. Inspect the plastic for any heavy dirt or grime build-up, which will help you determine the best cleaning method.
Create a cleaning solution:
For automotive plastic, a mild soap and water mixture is recommended. You can use a soft-bristled brush that is coarser than a toothbrush but not as coarse as a barbecue brush to avoid scratching the plastic. Mix a small amount of mild soap with warm water in a bowl or bucket. The water temperature should be warm, not hot, to avoid potentially warping the plastic.
Apply the cleaning solution:
Using a clean cloth or sponge, apply the soapy water mixture to the plastic surface generously. Work the solution into the plastic with gentle scrubbing motions, paying particular attention to areas with dirt or stains. If you are cleaning a textured or intricate plastic surface, ensure you get into all the grooves and details.
Rinse and dry:
After thoroughly scrubbing the plastic, rinse it with clean water to remove any soap residue. You can use a hose for larger pieces of plastic or a sink for smaller items. Ensure all soap residue is removed, as it can leave water spots if not thoroughly rinsed. Finally, dry the plastic with a soft, clean cloth or towel. You can also let the plastic air dry by placing it in a well-ventilated area.
Alternative methods:
If your automotive plastic has heavy stains or discolouration, you may need to use alternative cleaning methods before applying soap and water. For example, creating a paste with baking soda and water can help lift stains when applied to the plastic for 20-30 minutes before rinsing with soap and water. Additionally, lemon juice combined with sunlight exposure can effectively remove discolouration and kill bacteria.
Remember, always test any cleaning method on a small, inconspicuous area first to ensure it does not damage or discolour the plastic.
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Use a heat gun to restore natural oils
Using a heat gun is a great way to restore the natural oils in black automotive plastic. This method is primarily for car trims and bumpers. It is important to note that this is not a long-lasting solution, as the plastic will eventually fade with use and, after several treatments, will no longer have enough natural oils to restore. The length of time this restoration method lasts depends on how often the car is exposed to direct sunlight.
Before using a heat gun, wash and dry the plastic trim. Set the heat gun to a low or medium setting to avoid warping the plastic. Move the heat gun in slow, sweeping motions, ensuring even heat distribution. Keep the heat gun several inches away from the surface and avoid leaving it in one place for too long to avoid burning the plastic. As you move the heat gun around the plastic, it should change to a darker, richer colour. Once the trim darkens, apply a UV protectant to maintain the results.
Cover nearby non-plastic objects with a flame-resistant tarp before using the heat gun, as it can warp or discolour the surfaces of non-plastic items. Do not use this method on black plastic attached to flammable materials.
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Apply a black plastic trim moisturiser
To refinish black automotive plastic, you can use a black plastic trim moisturiser. This is a product designed specifically for cars, which can be purchased at most automotive stores.
Before applying the moisturiser, ensure that the plastic surface is clean and dry. Wash the plastic with soap and water, removing as much dirt as possible. Dry it with a towel, and then use a ProBlow to ensure the surface is completely dry.
Once the plastic is clean and dry, you can apply the moisturiser. Read the instructions on the product carefully, as different products may have different application methods. For example, the Solution Finish Black Plastic Restorer recommends using a microfiber sponge or applicator pad to spread a thin coat of the product over the surface. Allow the product to penetrate for a few minutes, and then use a clean microfiber towel to buff off any excess.
After application, allow the plastic to dry for at least 6 hours. The Solution Finish Over The Top Plastic Sealer can be used as a standalone treatment on good-condition plastics or as a topper on plastics that have been restored with a restorer. This product provides UV protection, which helps to prevent fading and deterioration.
It is important to note that while some products claim to permanently restore black plastic trim, they may not be truly permanent. For example, the PERL product by CarPro needs to be reapplied eventually, but it is easy to use and versatile. On the other hand, C4 by Gtechniq forms a bond with the plastic and can last up to 2 years before another application is needed.
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Protect the plastic with UV protectant
To protect the plastic with a UV protectant, you can use a product like Solution Finish Over The Top Plastic Sealer. This sealant can be used as a standalone treatment on new or well-maintained plastics, or it can be applied after using a restorer like Solution Finish Trim Restorer. This product will protect the plastic trim from harmful UV rays, preventing it from fading and deteriorating.
Another option for UV protection is CarPro PERL, a water-based silicone-oxide dressing suitable for plastic, engine, rubber, and leather surfaces. While it is not a permanent solution, it is easy to apply and can be used as a quick-fix option.
When using any of these products, it is important to follow the safety guidelines and instructions provided by the manufacturer. Wear protective gear, such as gloves, and work in a well-ventilated area to avoid inhaling chemical fumes. Ensure that you read the product labels thoroughly and follow the detailed instructions for safe and effective use.
Additionally, it is recommended to clean and dry the plastic surface before applying any UV protectant. This can be done with a gentle automotive soap and water, ensuring that the surface is free of any dirt, grime, or contaminants that may interfere with the protection process.
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Use a plastic restorer to fix damaged plastic
Using a plastic restorer is an effective way to fix damaged automotive plastic. Plastic restoration products, such as Turtle Wax Black in a Flash Trim & Tyre Dressing, contain conditioning agents that reverse ageing and keep plastic trim soft and flexible. They are also infused with powerful UV inhibitors that prevent damage from prolonged exposure to the sun.
Before applying a plastic restorer, it is important to clean the plastic surface thoroughly. Wash the plastic with soap and water, removing as much dirt, dust, and grime as possible. Rinse well with clean water and wipe dry with a microfiber towel. It is recommended to use a separate towel for restoring plastic trim to avoid damage from heavier soils and leftover products from other detailing tasks.
After cleaning, you can apply the plastic restorer. For best results, apply the product to a clean, cool surface in a shaded area, and ensure there is adequate ventilation. Wear gloves and eye protection, as some plastic restorers can stain clothing and skin. Shake the bottle well and apply a small amount to a microfiber sponge or applicator pad. Spread the product evenly over the surface, covering the area completely.
Allow the solution to penetrate for a few minutes, then use a clean microfiber towel to buff off any excess. Wipe off any residue from glass or painted surfaces. Avoid washing the treated area for at least 4 to 6 hours, and preferably 12 hours, to ensure the best results.
In addition to using a plastic restorer, you can also treat the surface with olive oil, WD-40, or a trim restoration product to enhance protection and restore the surface's colour.
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Frequently asked questions
You can use a heat gun, olive oil, or black spray paint to restore black plastic. Clean the plastic surface, then apply the product of your choice. For a longer-lasting solution, use a plastic restorer or a trim restorer like CarPro PERL.
Wash the trim with soap and water, or a product like Nonsense, to remove dirt, grime, and contaminants. Dry the trim, then apply a plastic restorer or trim restorer. Wipe off any excess product and allow the trim to dry.
You can use household products like olive oil or a heat gun. For a more permanent solution, use a plastic restorer or trim restorer like CarPro PERL, C4 by Gtechniq, or Torque Detail Plastic Restore.
Use a UV protectant like Solution Finish Over The Top Plastic Sealer to protect black plastic from UV rays and fading. Regular cleaning and maintenance will also help extend the lifespan of restored trim.
Avoid using household items like shoe polish, as these can damage the trim. Do not use a heat gun on dirty plastic, as it can burn in dirt and stains. Always wear protective gear and work in a well-ventilated area when using chemicals.
