Why Do Clear Phone Cases Turn Yellow and What Can You Do About It?

Clear phone cases, once a symbol of pristine and transparent protection, often develop a yellow tint over time. This discoloration can be disappointing for many users who prize the aesthetics of their devices. This article delves into the reasons behind this phenomenon and provides solutions on how to mitigate or reverse it.

The Causes of Yellowing in Clear Phone Cases

Material Degradation: The primary reason for yellowing in clear phone cases is the degradation of the materials used, such as TPU (Thermoplastic Polyurethane) or PC (Polycarbonate). Exposure to UV light, heat, and environmental pollutants leads to oxidation, which results in the yellowing process. Additionally, chemicals and other substances can cause the degradation and yellowing of the polymer.

Specific Factors Contributing to Yellowing

Clear Silicone Phone Cases: Silicone-based phone cases are particularly susceptible to yellowing due to UV light exposure. The polymers in the plastic break down under UV light, causing them to yellow. Heat and exposure to chemicals can further accelerate this process. Environmental Factors: Humidity, exposure to the ground when dropped, and mobile device heat all contribute to the yellowing process.

How to Clean a Yellowing Phone Case

While yellowing is a natural consequence of the materials used, there are steps you can take to reverse or mitigate the discoloration:

1. Use Dishwasher Soap and Warm Water

Clean the cover with dishwasher soap using warm water.

2. Apply Baking Soda Powder

Apply a small amount of baking soda powder and rub it onto the cover. Let it sit for 5 minutes.

3. Rub with Rubbing Alcohol

Clean the cover with rubbing alcohol to remove the remaining yellow tinge.

While these steps will remove 60-70% of the yellowish tint, it is important to note that a complete restoration to its original clarity is not always possible. Re placing the case may be the most effective solution in such cases.

Preventive Measures

Protecting your phone is crucial to maintain its aesthetics. Consider using a strong protective phone case that offers excellent protection while minimizing potential damage from the environment. Regular cleaning and periodic maintenance can also help keep your phone case looking new for longer.

Conclusion

While clear phone cases can yellow over time due to environmental and internal factors, understanding the causes and employing appropriate cleaning techniques can help mitigate the issue. If all else fails, investing in a new, high-quality case is often the best solution. Regular maintenance and protection are key to preserving the aesthetic appeal of your device.