How to Whiten Yellow Flexible Phone Cases: 6 Not-So-Well-Known Tips

Cách tẩy trắng ốp lưng điện thoại dẻo bị ố vàng cực hay

1. Why is the phone case yellow?

Most of the flexible cases on the market are made from Thermoplastic Polyurethane (TPU). TPU is a material known for its durability, flexibility, and flexibility in creating phone cases. However, over time, these cases may start to turn yellow due to exposure to the sun, heat, moisture, and sweat from your skin. While these yellow stains do not affect the protective function of the phone case, they can be unsightly.

Vì sao ốp lưng điện thoại bị ố vàng

2. Tips for bleaching yellowed phone cases

Use dishwashing liquid

An easy and effective method is to use diluted dishwashing liquid. Apply the dishwashing liquid on the surface of the case and scrub it using a toothbrush to remove the yellow stains.

Sử dụng nước rửa chén

Use isopropyl alcohol

For heavier stains that cannot be removed with dishwashing liquid, isopropyl alcohol can be used. Apply the isopropyl alcohol on the surface of the stain to effectively remove it.

Sử dụng Isoproplyl alcohol

Use soldering iron

Another option is to combine solder paste with dishwashing liquid. Dilute the mixture in a basin of water, soak the case in the mixture for 1-2 hours, and scrub it with clean water to significantly improve the yellow stains.

Sử dụng hàn the

Using Baking Soda

Baking soda can be mixed with water to form a thick paste. Apply the paste on the phone case, leave it overnight to dry, and then rinse with clean water.

Sử dụng Baking Soda

Use Vim solution

Vim cleaning solution can be applied on the surface of the case for 15-20 minutes and then rinsed thoroughly with water to improve its condition. However, precautions should be taken when using Vim as it can have adverse effects on the body.

Sử dụng dung dịch Vim

Use natural solutions

Natural solutions like vinegar, lemon, and soap can also be used to clean the case. Mix these solutions with water to form a thick mixture, rub it on the case using a soft cloth, let it soak for 10-15 minutes, and then rinse with clean water.

Sử dụng dung dịch tự nhiên

With these simple methods, you can restore your yellowed flexible phone case to its original condition. Try them out and enjoy the results!

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