Chloe Zhang
There are several methods to restore chrome plastic on a GTO. One method is to use a chrome repair kit, such as PChrome, to sand down the damaged area, apply a primer, and then spray on the chrome. Another method is to use a spray-on chrome system, such as Molotow Liquid Chrome, which can be applied through an airbrush. For a more durable option, plastic parts can be coated in nickel and copper and then chrome-plated, although this method is more expensive and time-consuming. To clean and restore plastic chrome, it is recommended to use non-abrasive products as abrasive polishes can scratch the soft finish.
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What You'll Learn
Cleaning plastic chrome
Chrome can be a tricky material to maintain, and it is essential to take care when cleaning plastic chrome to avoid causing any damage. Here is a step-by-step guide to help you clean plastic chrome effectively and safely:
Prepare the Surface:
Start by preparing the surface of the plastic chrome. This may involve sanding down the damaged areas to create a smooth and even surface. Use fine-grit sandpaper or an orbital sander for this step, being careful not to apply too much pressure and cause further damage.
Cleaning:
Once the surface is prepared, you can move on to cleaning. Use a mild cleaner or a dedicated chrome cleaner designed for plastic chrome. Avoid harsh chemicals or abrasive cleaning solutions, as these may damage the chrome finish. Apply the cleaner with a soft cloth, working it into the chrome gently. Rinse the cleaner off with deionized water and ensure that all residue is removed.
Polishing:
After cleaning, you may want to polish the plastic chrome to restore shine and protect the surface. Choose a high-quality chrome polish designed for plastic surfaces. Apply the polish gently with a soft cloth, following the manufacturer's instructions. Polishing can help fill in minor scratches and create a protective barrier.
Waxing:
Consider applying a coat of wax designed for chrome or painted surfaces. Waxing can provide an extra layer of protection and enhance the shine. Apply the wax in thin, even coats, following the instructions on the product.
Rinsing and Drying:
Finally, rinse the chrome surface with deionized water to remove any residual cleaner, polish, or wax. Dry the surface thoroughly with a soft, lint-free cloth. Ensure no water spots or streaks are left behind, as these can affect the appearance and quality of the chrome.
Remember to be gentle and avoid using excessive force or abrasive materials when cleaning plastic chrome. Always test any cleaning or polishing products on a small, inconspicuous area first to ensure they do not adversely affect the chrome finish.
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Removing scratches and marks
Restoring chrome-plated plastic can be a delicate process due to the thin and less durable finish of the material. Before attempting to remove scratches and marks, it is important to clean the surface thoroughly. This can be done by first washing and drying the car or the specific area being worked on. A product like Clean Detail spray can then be applied to the chrome surface, removing any embedded dirt and built-up grime.
To remove light scratches and marks, a non-abrasive cleaner can be used to chemically treat the surface. A product like Bowden's Own Paint Cleanse and Restore can be applied with a microfibre cloth to remove light pitting, watermarks, and other harder-to-clean marks. It is important to avoid using polishes or clay bars, as these can scratch the soft finish of the chrome-plated plastic.
For deeper scratches and more extensive damage, a more intensive process may be required. Sanding the surface with an orbital sander or 180- to 320-grit sandpaper can help create a smooth surface. After sanding, a primer can be applied, followed by a metal filler to repair any remaining damaged spots.
Once the surface is smooth and free of scratches, a chrome repair kit can be used to restore the shine. PChrome offers a chrome repair kit that includes a sensitizing solution, a D solution, and a chrome spray. The W solution is first sprayed onto the surface, followed by the D solution, and the part is then rinsed with deionized water. This process is repeated, and the chrome is sprayed onto the part using a dual-nozzle spray gun with side-to-side motions from bottom to top. The final step is to apply a topcoat, which will cure and harden within 48 hours.
It is important to note that traditional chrome plating can be time-consuming and expensive. Alternative methods, such as chrome spray paint or chrome film, can be used to achieve a similar chrome finish, but may not have the same durability or strength as traditional chrome plating.
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Sanding and priming
Once the area is cleaned, the next step is to sand the surface. Sanding helps create a smooth base for the chrome application. You can use an orbital sander or manually sand the surface with sandpaper. If sanding manually, it is recommended to use sandpaper with a grit of 180 to 320. Take your time with this step to ensure that the surface is evenly sanded and free of any imperfections.
After sanding, you may need to use a metal filler to fill in any remaining damaged spots or indentations. This will help create a completely smooth and flush surface. Once the surface is smooth, it is time to prime the area. Priming will help the chrome adhere better to the plastic surface. Apply a thin, even coat of primer to the entire area that you plan to chrome. Make sure to follow the instructions on your chosen primer product for the best results.
Allow the primer to dry completely before moving on to the next step, which is applying the chrome base coat. Depending on the product you are using, you may need to mix a sensitizing solution (often referred to as the "W" solution) and apply it before the base coat. Always follow the specific instructions provided with your chosen chrome restoration product to ensure the best outcome.
Remember that the sanding and priming process is a crucial foundation for achieving a high-quality chrome finish. Take your time and work carefully to ensure the best results for your restoration project.
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Spraying chrome
If you're a DIY enthusiast, you can use a chrome repair kit from PChrome to spray chrome on plastic. The process is straightforward: start by preparing the surface of your plastic piece by sanding it down with an orbital sander or sandpaper to create a smooth surface. You can then apply a primer and fill in any damaged spots with a metal filler. Once the surface is smooth and flush, you're ready to apply the PChrome base coat.
After the base coat, you'll use a dual-nozzle spray gun to spray on the chrome. Move with quick, side-to-side motions, working your way from the bottom to the top. Continue applying coats until you achieve the desired degree of shine.
Finally, mix together your topcoat and hardener, and spray it all over the surface using horizontal movements, again working from the bottom to the top. The topcoat should fully cure and harden within 48 hours.
PChrome spray chrome provides a durable, thick layer that does not flake, peel, or fade, allowing you to enjoy your finish for a long time. It is also a more affordable option, costing around 25% of traditional chrome plating, and can be applied on-site, saving you time.
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Topcoat application
To achieve a chrome finish on plastic, there are several methods you can use. One popular method is to use a chrome spray paint specifically designed for plastic, such as PChrome. This process involves first preparing the surface by sanding it down to create a smooth base. After sanding, use a primer to ensure better adhesion of the chrome spray. Once the primer is dry, you can apply the chrome spray paint in thin, even coats, working your way from the bottom to the top of the surface. Make sure to use quick, side-to-side motions for the best finish.
After you have achieved the desired level of shine with the chrome spray, it is time to apply the topcoat. The topcoat will protect the chrome finish and ensure its longevity. PChrome offers a specific topcoat product, the 2KA topcoat, which needs to be mixed with their 2KB hardener in a one-to-one ratio. This mixture should then be sprayed onto the surface using horizontal movements, working from the bottom to the top. Ensure that you cover the entire chrome surface with the topcoat. The topcoat will take approximately 48 hours to fully cure and harden.
Another method to achieve a chrome finish on plastic is through vacuum metalizing. This process involves applying a base coat to the plastic part and then exposing it to a vapour cloud made of aluminium. The vapour cloud bonds to the plastic, creating a chrome-like shine. However, this method usually results in a thinner and less durable finish compared to traditional chrome plating. Therefore, it is often recommended to apply a light protective clear coat as a topcoat to safeguard the finish.
Additionally, if you are looking for a more temporary solution, you can use chrome film, which is available in stretch and non-stretch varieties. The stretch film can be wrapped around curved areas, while the non-stretch film is only suitable for flat surfaces. However, chrome film is susceptible to wrinkles, tears, and scratches, so it may not be as durable as other options.
Remember, when working with any chemicals or sprays, it is important to work in a well-ventilated area and wear the appropriate protective gear, including gloves, eye protection, and a respirator. Always follow the manufacturer's instructions and safety guidelines when using any products.
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Frequently asked questions
Chrome restoration is the process of restoring chrome-plated plastic parts to their former lustre.
There are several ways to restore chrome-plated plastic. You can use a chrome repair kit, which involves preparing the surface by sanding it down, applying a primer, and then using a chrome spray. Alternatively, you can use a chrome film, which is a laminate with adhesive backing that can be wrapped around curved areas or applied to flat surfaces. Another method is vacuum metalizing, where a base coat is applied to the plastic part, which is then exposed to a vapour cloud of aluminium that bonds to the surface, creating a chrome-like shine.
There are several products available for restoring chrome-plated plastic. PChrome offers a spray-on chrome system that can be applied at home and provides a similar look and strength to traditional chrome plating. Bowden's Own has a range of non-aggressive car care products specifically designed to clean and restore plastic chrome safely.
The cost of restoring chrome-plated plastic can vary depending on the method used and the extent of the damage. Traditional chrome plating can be expensive, with some companies charging up to $1500 per panel. However, there are cheaper alternatives available, such as chrome spray paint or chrome film, which can be applied at home for a lower cost.
