Sofia Martinez
Black plastic bumpers can be refurbished in a variety of ways. The most common methods include using products such as bumper/trim paint, trim dye, plastidip, truck bedliner/raptor coating, and Cerakote wipes. Other methods include using a heat gun or blowtorch to melt the outer layer of the plastic, or applying transmission fluid or automatic transmission oil to restore shine. While some of these methods may provide a quick and cheap solution, others may be more effective in the long term. The choice of method depends on factors such as cost, durability, and ease of application.
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What You'll Learn
Using heat guns or blowtorches
Using a heat gun or blowtorch is a popular method for restoring black plastic bumpers. This method is time-consuming but can be effective in bringing the plastic's natural oils to the surface, restoring its appearance. It is important to note that this method may not provide long-lasting results, and there is a risk of damaging the plastic if not done carefully.
When using a heat gun or blowtorch on black plastic bumpers, it is crucial to follow these steps:
- Park your car in the sun to get the plastic surfaces warm. Starting the process at a higher temperature will make it quicker.
- Clean and dry the plastic bumper thoroughly. Wash it with soap and warm water to remove any dirt, dust, or debris. This step is essential as using a heat gun on a dirty surface can burn in stains or dirt.
- Cover nearby non-plastic objects and any areas you do not want to heat with a flame-resistant tarp. The heat from the gun can warp or discolour non-plastic surfaces and paintwork.
- Set the heat gun to a medium-low setting. The aim is to heat the plastic evenly without melting it.
- Hold the heat gun about 1 to 3 inches away from the plastic surface and move it in small circles. Avoid keeping the heat gun in one place for too long to prevent burning or distorting the plastic.
- As you move the heat gun, you should see the plastic's natural deep black colour returning. Continue working methodically, heating small areas evenly before moving on.
- Turn off the heat gun and inspect the colour. If you are happy with the results, you are done. If the plastic still looks faded, you can try other methods like applying olive oil or painting.
While the heat gun method is a quick and easy way to restore black plastic bumpers, it may not provide permanent results. Some people have reported that the plastic may dry out, crack, or look worse over time as there are no oils left to retain moisture. Therefore, it is essential to understand the risks and consider alternative methods if you are not comfortable with using a heat gun.
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Applying trim restore products
To apply trim restore products, you should first wash the plastic trim with isopropyl alcohol to ensure there is no residue, only bare plastic. Then, use a microfiber or foam applicator to apply the product onto the plastic. Wipe off any excess product with a clean towel and allow the plastic to dry for 6 hours. After the first application, your trim will stay black and look new for approximately 8 months or more.
You can also use Solution Finish Over The Top Plastic Sealer as a topper over the Solution Finish Trim Restorer to enhance and extend the life of the treatment. Allow this to dry for 20 to 30 minutes and do not apply more than 3 coats. After using this product, do not wash the treated area for at least 12 hours.
Another option is to use a heat gun to heat the plastic, which draws out the oils within the material. Make sure to always start with a clean or freshly washed surface to avoid burning contaminants into the plastic, and heat one area at a time to prevent damage. After heating, treat the surface with olive oil, WD-40, or a trim restoration product to make the surface darker while offering some protection.
It is important to note that the heat gun method is not a long-term solution, as the plastic will eventually turn grey and dull again. Additionally, torched plastic can warp, and repeated torching will further damage the plastic, eventually requiring replacement.
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Using paint or spray paint
If your black plastic bumpers are looking faded, you can use paint or spray paint to restore their colour and shine.
Before painting, it's important to clean the surface of the bumper. Use soap and warm water to wash the bumper, then dry it off with a towel. Some sources also recommend degreasing the surface. You should also consider sanding the surface of the bumper, then cleaning it again to remove any debris.
If you're using spray paint, it's a good idea to test it first by spraying a sample to get used to the aerosol and the product. Shake the aerosol well, then hold it 25-30 centimetres from the surface of the bumper and spray in smooth, overlapping strokes. Apply several thin layers until you achieve the desired result. Remember to shake the aerosol in between layers.
If you're using paint, you'll need to apply a coat of primer first to help the paint stick. Spray a light, even coat of primer over the surface and let it dry for 30 minutes to an hour. Then, apply the paint.
You can also use specialised products, such as bumper coat spray paint or black bed coating, to restore the colour of your bumpers. These products are designed to adhere well to plastic surfaces and may not require a primer.
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Using trim dye
Firstly, clean the plastic trim with soap and water to remove surface grime, dust, and dirt. Rinse well with clean water and wipe it dry with a microfiber towel.
Then, apply the trim dye. Trim dye is a product that paints on rather than sprays on, so you will need to use a microfiber or foam applicator to apply it.
After applying the trim dye, wipe off any excess product with a clean towel and allow the plastic to dry. The drying time will vary depending on the product used, but typically it will take around 6 hours.
After the first application, your trim will stay black and look new for approximately 8 months or more. For longer-lasting results, a second application is recommended. You can also use a plastic sealer as a standalone treatment or a topper to enhance and extend the life of the treatment.
It is important to note that, while the heat gun method is a popular alternative, it is not a permanent solution. The color achieved through this method will eventually fade, and repeated treatments will further damage the plastic.
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Using truck bedliner or raptor coating
Truck bedliner or raptor coating is a popular method for restoring black plastic bumpers, especially in the truck and off-road community. It is known for its durability and ability to withstand harsh conditions. Here is a detailed guide on using truck bedliner or raptor coating to refurbish your black plastic bumpers:
Preparation:
Before applying the truck bedliner or raptor coating, it is crucial to prepare the surface of the bumper. Start by sanding the bumper to create a rough surface that will allow the coating to adhere better. Use fine-grit sandpaper and sand evenly across the entire bumper. After sanding, clean the bumper thoroughly to remove any dust, dirt, or debris. You can use a mild detergent or plastic cleaner and a soft cloth to ensure the surface is free of any contaminants. Once cleaned, allow the bumper to dry completely.
Priming:
To further enhance the adhesion of the truck bedliner or raptor coating, it is recommended to use a plastic adhesion promoter or primer. Spray the adhesion promoter or primer evenly onto the sanded and cleaned bumper surface. This step will help the coating bond more effectively to the plastic. Follow the instructions on the product for proper application and drying times.
Applying the Coating:
Now, you are ready to apply the truck bedliner or raptor coating. Ensure you are in a well-ventilated area or wear a respirator during the application process. Carefully read and follow the instructions on the product you have chosen. Most truck bedliners and raptor coatings are spray-applied, so hold the spray can or gun about 8-12 inches away from the surface and spray in steady, even strokes. Apply multiple thin coats rather than a single thick coat to achieve the best results. Allow the recommended drying time between coats.
Final Steps:
After applying the final coat of the truck bedliner or raptor coating, allow it to cure completely according to the product instructions. This may take several hours or even days, depending on the product and environmental conditions. Once fully cured, inspect the bumper for any imperfections or areas that may need touch-ups. If desired, you can apply a clear coat spray for added protection and shine, but this is optional.
Maintenance:
To maintain the refurbished black plastic bumpers, regularly clean them with mild soap and water, avoiding harsh chemicals or abrasive cleaning materials. Avoid exposing the bumpers to prolonged direct sunlight or extremely high temperatures, as this can cause the coating to degrade over time. With proper care and maintenance, your refurbished black plastic bumpers should retain their enhanced appearance and durability for an extended period.
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Frequently asked questions
Some quick and cheap ways to refurbish black plastic bumpers include using typical spray paint or rustoleum, bumper/trim paint, and trim dye.
Some more durable ways to refurbish black plastic bumpers include using truck bedliner/raptor coating, which is the most durable option with a rough, textured surface.
Yes, there are a few non-paint ways to refurbish black plastic bumpers. One way is to use a heat gun or blowtorch to melt the outer layer of the plastic, which can restore its colour. Another way is to use a product like Cerakote Wipes, which can effectively restore faded black plastic.
