Why is the black plastic part on the outside of the Tianyi A-pillar fading?
4 Answers
The fading of the black plastic part on the outside of the Tianyi A-pillar may be due to the plastic yarn tube discoloring after sun exposure. You can use dashboard wax, coating care agents, or shoe polish to address this issue. Using Dashboard Wax: Dashboard wax is typically used for polishing instrument panels or plastic parts. Applying it to faded external plastic is both time-saving and effortless. Using Coating Care Agents: Coating care agents can produce excellent results on plastic parts. They are effective for restoring faded or dull plastic surfaces. Using Shoe Polish to Conceal: For black plastic parts that have turned white, black shoe polish works well and is convenient to use.
I've given a lot of thought to the fading issue with the black plastic trim on the Tianyi's A-pillar. Sun exposure is the most common cause of plastic discoloration, as UV rays break down the pigments—especially when parking outdoors in summer, where black turning gray over time is a frequent problem. Using the wrong car wash products can also be damaging; for instance, cleaners containing alcohol or strong acids can corrode the plastic surface. Environmental factors play a role too—urban dust and pollutants in rainwater can accelerate plastic aging when they repeatedly adhere to it. I recommend using a professional plastic restorer for polishing, which works quite well. If the damage is severe, it's best to replace the part at a service center. For daily care, try parking in shaded areas to avoid direct sunlight and extend the part's lifespan. Long-term car ownership requires attention to these details.
I've been driving the Tianyi for over two years, and the black plastic on the A-pillar has faded. At first, I didn't notice it, but later it became obvious. It's mostly due to prolonged exposure to sunlight—the plastic material can't withstand high temperatures, causing the color to fade. Plus, I'm lazy and just use household spray when washing the car, which leaves chemical residues that accelerate the fading. There's also the issue of friction—branches scraping the car when parked on the roadside or using a rough sponge during washing can scratch and roughen the surface. To fix it, just buy some automotive-grade plastic protectant and apply it—it's cheap and effective. Make it a habit to clean it once a month to prevent dirt buildup. If it really affects the overall appearance, replacing the part won't cost more than a few hundred bucks. You've got to pay attention to these things when driving.
The fading of the black plastic on the Tianyi's A-pillar is commonly caused by material and environmental factors. The plastic contains pigments that degrade under UV light, causing the color to fade. Chemical exposure, such as car wash detergents or acid rain, damages the surface. Aging starts internally, making the plastic brittle and accelerating fading. Solutions: light fading can be restored with polish; severe cases require part replacement. It's recommended to use neutral cleaning products when washing to avoid corrosion and extend lifespan. Simple steps can maintain the car's appearance.
