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Nothing makes all your hard work after perfecting the paint look more incomplete then old faded trim. I seem to have a weak spot for trying lots of different trim coatings, and I must say that Gtechniq C4 Permanent Trim Restorer certainly has become one of my favorites to use since trying it. As with most of the trim coatings on the market, C4 is claiming a durability of roughly 24 months. Product Description To begin the application, you will want to thoroughly clean the trim. I like using Einszett Plastic Deep Cleaner, as shown in my previous blog on this product. As with any detailing regimen, the proper preparation is key when it comes to C4. It is recommended that it is left to cure for at least 12 hours without the trim becoming wet. This may pose an issue for some, and I have heard that those that did get it wet whilst it was still curing and the results were a bit patchy. If it is the case that you cannot be guaranteed to keep the trim dry, then I would recommend that you do not use C4 until such times as you can guarantee this. It’s an aspect of car detailing which can really take the final finish of a vehicle to the next level. You may well have the paintwork, glass and wheels all looking beautifully clean and protected, but plastic trim can often need its very own attention. Gtechniq C4 is one of the go-to products for plastic trim in need of some love and in Joe Huntley’s latest YouTube video, he shows you exactly how you can prepare surfaces ready for a coating of this super-effective product. Gtechniq C4 utilises a covalent or chemical bond to actually become an extension of the plastic molecule it's protecting. Not to be confused with much weaker electrostatic bonds used by, amongst others, ptfe based polymers Gtechniq C4 actually swaps part of its molecular structure with the surface molecules of your car's trim.
A quality trim restorer will do more than just dye the plastic or sit on top, both of which are superficial, temporary solutions to your problem and will wash away in the slightest rain. I’m a big fan of Meguiar’s products. They’ve actually managed to create useful enthusiast grade products and make them available to everyone. It used to be if you walked into a big box store or automotive store your only options were Armorall or some no name snake oil product. Now you actually have useful options. Suitable for use on the trim found on bumpers, windows, wing mirrors, doors, mud-flaps, engine bays etc C4 uses a covalent or chemical bond to actually become an extension of the plastic molecule it's protecting, swapping part of its molecular structure with the surface molecules of your car's trim to provide a protective coating of unparalleled durability. Revitalise tired and faded trim such as those found on wing mirror surrounds, windscreen wipers/trim, bumpers, mud-flaps, engine bays and more. Once you have spread the product over each piece of trim, gently wipe away residue immediately with a Microfibre Buff Cloth. If your car has heavily textured trim take time to ensure all crevices are covered, and that all residue is also removed.Ensure that the surface to be coated is entirely free from fats/oils or previously applied products – for this clean trim vigorously with a 1:10 dilution of Gtechniq W2 Universal Cleaner Work in a well ventilated area, at a temperature above 5 degrees celcius and out of direct sunlight. Wear the gloves provided
Please excuse some of the dirt in the pictures - I washed the cars on Friday night and they've been out in the rain yesterday, but the areas that have been treated were pre-cleaned with neat IPA.To work ... I used neat IPA and a number of make-up remover pads. Well, my Mrs has requisitioned at least one spray bottle of Serious Performance Ultra Citrus Cleaner for household tasks, so I thought the return of favour was fair. Yes, make-up remover pads. Best get the kind of cushioned ones which cannot be ripped apart easily - any fluff is a bit of a pig if it catches on old rubber, or something like.
Pictured below is cowl trim piece on a Porsche Boxster, and you will notice how faded or aged it looks. Over time with exposure to the sun all trim will begin to look like this if not properly cared for and protected. This is where a product like Gtechniq C4 is perfect. The above image is what we started with. The plastics were grey, they were faded and they looked horrid. The sun’s UV is a relentless bitch when it comes to the trim of cars from Malaysia, apparently. Now the plastics are treated with C4, I am simply going to wash and dry them. I gather that the formula actually merges into the "dna" of plastic, enhancing the look and protecting the finish. Ensure the surface(s) you are going to coat are free from any contaminants.For best results clean trim with a neat solution of W5 Citrus All Purpose Cleaner, then rinse and dry. If required use a medium-stiff brushThis product has an oily consistency that makes it easy to spread out for an even finish. Since it’s a topical solution it also helps repel water and other contaminants. The best feature of the Gtechniq C4 is the fact that it permanently restores plastic trim for up to 2 years, which is far longer than the alternatives. Application is quite simple with C4. Included in the kit is everything you will need to use, including cotton applicators that will be used to apply the product. You will apply a small amount of coating on the applicator to start applying. A small amount will go a long way when using this product, and you will want to be sure that you are applying the product evenly. Instead, quality plastic restorers will be absorbed by the plastic and break down the oxidation that causes the lightened and ashy appearance. They will nourish the plastic and last a good amount of time, at least several months. They will also provide an even finish, like that of new plastic.
I have a few areas which I had ear-marked for the C4 treatment, or coating I should say: wing mirrors, windows surrounds, rear light clusters, rear number plate surrounds and wheel arch flares. The rest of the "plastics" on our cars are actually painted and lacquered.
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Before starting ensure you have enough product for all intended trim surfaces. E.g For a Mini (30ml) you will require more product compared to a Golf (15ml) What's special about Gtechniq C4 Permanent Trim Restorer? C4 utilises a covalent or chemical bond to become an extension of the plastic molecule it's protecting. Not to be confused with much weaker electrostatic bonds used by, amongst others, ptfe based polymers C4 swaps part of its molecular structure with the surface molecules of your car's trim. Strong UV absorption filter and chemical bond ensures maximum durability with a single application typically maintaining a flawless finish for up to two years! In short, cheap plastic restorers aren’t worth your time or money. What Will Plastic Restores NOT do?
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