6 ways to whiten flexible phone cases that are extremely yellow or very little known

1 Why is the phone case yellow?

Most of the flexible cases on the market are made from Thermoplastic Polyurethane , Abbreviated TPU . This material helps to create a durable, flexible and flexible case. But with prolonged use, many cases start to turn yellow due to exposure to the sun, heat, moisture and sweat from your skin.

Stains on TPU are caused by a chemical reaction and usually cannot go away on their own. These yellow stains do not affect the protective function of the phone case, but they are unsightly.

2 Tips for bleaching yellowed phone cases

Use dishwashing liquid

This is an extremely simple way to use dishwashing liquid in your kitchen. With a little diluted dishwashing liquid , you only need to use a toothbrush to scrub the surface and every corner of the case to be able to remove the yellow stains very well.

Use isoproplyl alcohol

In case of heavy stains, difficult to remove, cannot use dishwashing liquid to wash, you can choose Isopropyl alcohol to wipe the surface of the stain. This is a widely used solvent in the cosmetic and flavoring industry. You can find them at chemical stores or drugstores.

Use soldering iron

The combination of solder paste with dishwashing liquid is also an option used by many people to whiten flexible phone cases. After diluting the mixture in a basin of water, soak the flexible case inside for 1-2 hours and scrub it with clean water to significantly improve the yellow stain of the product.

Using Baking Soda

Baking soda can be easily found in supermarkets, grocery stores, and mixed with a little water to form a thick paste. You can squeeze a little more combined lemon juice , then apply the above mixture evenly on the phone and leave it overnight until completely dry, then rinse with clean water .

Use Vim . solution

One of the effective ways to remove yellow stains from phone cases is to use Vim cleaning solution. Use Vim to apply evenly on the surface of the case for about 15-20 minutes and rinse thoroughly with water, the dullness has been significantly improved.

However, Vim is a solution with similar properties to 502 glue, which can cause adverse effects on the body when in direct contact. You should use gloves when cleaning to ensure safety.

Use natural solutions

Your case can be easily cleaned with typical natural solutions such as vinegar, lemon, soap . You just need to mix these solutions with water, so make it thick in a ratio of 1: 2 , then use a soft cloth to rub this mixture on the case . After rubbing, it can be soaked for 10-15 minutes and rinsed with clean water to improve the product's condition.

With the above 6 simple ways, you can "turn" your flexible case like new. Apply now and enjoy the results!

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