How can I clean a yellowed phone case?

Mobile phone cases are particularly easy to yellow, and generally everyone throws them away when they see yellowing. Actually, our transparent phone case is also very easy to clean. The phone case has been yellowing for a long time? Don't throw it away, soak it in water, and the old shell can become a new shell!

1. Alcohol cloth + baking soda.

Alcohol has a good bactericidal effect and can also effectively soften stains, while baking soda is a very strong alkaline substance. Using alcohol and baking soda to clean the phone case can not only remove the dirt on the phone case, solve the problem of yellowing the phone case, but also effectively disinfect and disinfect. First of all, we use an alcohol cloth to wipe the phone case back and forth 1-2 times, then prepare a basin of water, add an appropriate amount of baking soda, and then soak the phone case in baking soda water for 20-30 minutes.

After that, clean it with water, and the yellow stains on the phone case will be cleaned.

2. White vinegar. White vinegar is one of the most common condiments in the kitchen and is also a product that has a cleaning and staining effect. We prepare a basin of water, white vinegar and water according to 1:

Adjust the ratio of 3, and then throw the phone case into the white vinegar water to soak for about half a day. Then use a brush and dish soap.

Brush the phone case inside and out, and the phone case may become clean.

1. Wind oil essence has the effect of removing stains.

2. Use a toothbrush dipped in toothpaste to scrub.

3. Wipe with alcohol.

4. Add baking soda and salt.

I believe everyone is already familiar with the phone case, which can not only protect our mobile phone, but also make our mobile phone more beautiful. But after a long time, the phone case will turn yellow. So how to clean the yellowing of the phone case?

1. Alcohol cloth + baking soda: alcohol can sterilize and effectively soften stains; And baking soda has a strong alkaline substance, using an alcohol cloth + baking soda to clean the phone case, not only to remove the problem of yellowing, but also to sterilize and disinfect.

2. Soda + white vinegar + liquor: We add soda, white vinegar and liquor, then add water, pour it into a container, stir well, put the phone case in it, and soak it for 10 minutes.

3. Toothpaste + salt: Squeeze the toothpaste on the phone, then brush, remember not to get wet, and then sprinkle a handful of salt to continue brushing, and after a while, you can fade the yellow.

4. Eraser cleaning: We only need to find an eraser and rub it vigorously against the yellowed mobile phone.

5. Wind oil essence cleaning method: prepare a basin of water, soak the mobile phone case for a while, prepare wet wipes, pour an appropriate amount of wind oil essence on the paper towel, and then cover it on the mobile phone case, let it stand for half an hour, and you will find that the mobile phone case will become very clean.

The five methods introduced above can effectively solve the problem of yellowing of the phone case.

1. Method 1: toothpaste. To remove the odor of the phone case, you can use a toothbrush to dip an appropriate amount of toothpaste on the phone case, gently brush it on the phone case, then wipe off the foam with a damp soft cloth, and finally wait for 5 minutes, then wash it with water and then wipe it dry.

Method 2: Use white vinegar. You can put white vinegar into a spray bottle and then spray an appropriate amount on the phone case, let it stand for a while, and wipe it off with a clean soft cloth to effectively remove the odor.

Method 3: Lemonade. Put it in a spray bottle and spray it on the phone case, and finally wipe it clean.

2. Most yellowed mobile phone cases are generally silicone mobile phone cases, and the probability of yellowing of transparent silicone cases is higher. There are probably three reasons for this phenomenon. First, transparent silicone mobile phone cases often contain sulfur compounds, so the degree of oxidation increases after a long period of use, which will cause the phone case to turn yellow.

The second is the effect of ultraviolet rays, which will also accelerate the oxidation process of the phone case, so it will cause the phone case to turn yellow. The third is that hand sweat or dirt adheres to the phone case during use, causing it to turn yellow.

Prepare a basin, place the yellowed phone case in the basin, add baking soda, toothpaste and dish soap, pour in a little warm water, and soak the phone case for 30 minutes. When the time is up, clean the phone case with a toothbrush, and then rinse the phone case with clean water.

Notes:1. The three plastic mobile phone cases, frosted shell, piano lacquer bright shell, and glossy shell, need to be kept away from high temperature open flames. In addition, it is necessary to avoid folding, plastic mobile phones are easy to deform and break, so if it is a plastic mobile phone, you must pay attention to gentleness when using it.

2. Clean regularly, plastic mobile phone cases are easy to be contaminated with dust, especially in the gaps, you can clean them once a week, if there is less dust, you can use a wet towel or a small toothbrush to scrub directly. On the contrary, if you encounter more stubborn stains, do not use gasoline or corrosive liquids to clean, stubborn stains can be cleaned with wind oil essence and toothbrushes.

01 Clear plastic or resin phone case.

This type of phone case is a bit harder and easier to handle, but it is easy to be scratched.

Treatment: The most effective way is to wash with water.

You can wipe off the stain with soapy water and a soft cloth, then rinse it well, put it in a cool and ventilated place to dry, or wipe it clean with an eraser or wash it with alcohol or toothpaste.

02 Silicone phone case.

This type of yellowing will naturally turn yellow after a long time, and it is difficult to fully return to the original state, but it can alleviate the yellowing state.

Treatment: You can use a cotton swab dipped in a small amount of wind oil essence to apply to the stain, and gently wipe it with a cotton swab after one minute to remove the dirt.

Or wash with dish soap, then rinse and dry.

03 tpu

Thermoplastic polyurethane elastomer rubber, wear-resistant, oil-resistant, transparent, good elasticity, can not be cleaned after yellowing, can only be replaced.

04 Metal or leather.

Metal or leather ones are generally not easy to yellow, but the surface is prone to scratches and cannot be repaired.

Treatment: If it is really yellow, wipe it with a clean rag.

01 Be sure not to scrub with steel wool balls, hard brushes, etc., in order to forcibly dispose of it, this will only backfire.

Transparent plastic mobile phone cases will turn yellow after a long time, generally because the dust turns yellow, you can clean and wipe it with water, if it is yellow from the oxidation reaction, you need to clean it with detergents, such as alcohol, soapy water, toothpaste, baking soda, white vinegar can help solve the problem of yellowing of the phone case.

If the phone case is dirty and yellowed because of dust, you can wipe it with clean water with cleaning agent and alcohol first. The clean water cleaning method can directly wipe the phone case with a damp rag.

If the yellowing of the phone case does not improve, it may not be an ordinary dirty but an oxidation reaction caused by long-term use. Most of the transparent mobile phone cases we use on the market will turn yellow after a long time, which contains sulfides and will cause chemical reactions when exposed to air, and sweat stains on the hands will also change the color of the phone case for a long time, which is a normal oxidation phenomenon.

In life, the phone case may not be thrown away after it turns yellow, you can try some small methods to see if it has any effect. Wiping the phone case with toothpaste, soapy water, alcohol or dish soap can reduce the yellowing of the phone to a certain extent.

If a simple way can't solve the problem of yellowing of the phone case, you can try a trick to use it with several stain removal things, toothpaste, baking soda, and white vinegar together, which can wash away the stains that you usually can't wash off.

The ingredients to be prepared are: toothpaste, baking soda, white vinegar, a container for water, water. Put the above three ingredients into clean water, mix well, and soak the yellowed phone case for about 15 minutes and take it out.

Finally, wash it with clean water, wipe it clean, and the phone case will look brand new.

The specific material of the mobile phone case is also different, if you have tried these methods, the problem of the yellowing of the mobile phone case has not been solved, it may also be that the mobile phone case has been used for too long, and there has been a chemical reaction that has caused the color change, you can consider changing the mobile phone case.