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[Chemical Knowledge]：What about plastic yellowing?

Read： 625 Time：18months ago Source：Transform the World with Simplicity

With the wide application of plastic products, more and more people pay attention to the quality and service life of plastic. Many people will find that some plastic products will change color and yellow over time, which bothers many consumers. If you are also experiencing this problem, then after reading this article, you will understand how to effectively prevent and solve the problem of plastic yellowing.

first we need to understand the causes of plastic yellowing. Generally, plastic yellowing is caused by ultraviolet radiation. Ultraviolet rays can destroy the molecular structure of the plastic under the action of a long time, resulting in irreversible changes in the color of the plastic. In addition, the quality and production process of plastics are also important factors affecting the yellowing of plastics, and the yellowing of different brands of plastics will be different.

So, how should you deal with plastic products that have yellowed? Here are some practical methods:

1. Use bleach or vinegar water

bleach or vinegar water can remove dirt and impurities from the plastic surface, making it look cleaner and brighter. You only need to soak plastic products in bleach or vinegar water for 20-30 minutes, and then rinse with water. However, this method is not suitable for all types of plastics, so it is best to check carefully before using it.

2. The use of plastic cleaning agent

some special plastic cleaning agent, such as car wheel cleaning agent and dishwasher cleaning agent, can be used to clean plastic products. These cleaners are usually effective in removing dirt and yellow stains. You only need to apply the cleaning agent to the plastic surface and rinse with water.

3. Use UV protection spray

You can use UV protection spray to strengthen the protection of plastic products. These sprays can help prevent ultraviolet radiation, thereby slowing the color change of the plastic. This method needs to be repeated regularly, as the protective spray will gradually fail over time.

4. Improve storage

You can improve the storage of plastic products to prevent them from yellowing. It is best to store plastic products in a dry, direct sunlight place. Plastic bags or boxes with UV protection can be used to store plastic products to reduce UV radiation. In addition, do not over-stack during storage, because the friction between plastic products will also cause yellowing.