Why phone case turn yellow overtime?
Silicone phone case and plastics and rubber mobile phone case generally will gradually turn yellow, harden, and become brittle and aging as the use time increases.
This is an irreversible process. In general, rubber has sulfides. After a long time, the sulfides are oxidized and then turn yellow.
Yellowing of plastics and rubbers is one of their basic characteristics. There are many reasons for yellowing, but one of the most important ones is the effect of ultraviolet rays. In the process of use, the sun and light produce ultraviolet rays, and ultraviolet radiation plastic turns it yellow. However, yellowing does not affect its basic characteristics such as hardness and lifespan.
If it turns yellow because of tea, coffee, or other stains, it can be treated with a stain or bleach. If it is because of the above use time, you can consider another one.
If you want a phone case won't it turn yellow , we have some phone case recommendation for you.
Fluffy phone case for iPhone 7 case and iPhone 8 case,click below image to see more detail
luxury leather iPhone 7 plus case,click below image see more details
Bling glitter phone cases for iPhone 7 plus,click below image see more details
Samsug S9 wallet phone case, click below image see more details
Mobile phone cover for samsung S8 case click below image see more details