What are the advantages and disadvantages of plastics?

Advantages of plastics:

1. Lightweight: plastics are relatively less dense, allowing the manufacture of lightweight products.

2. Easy to mold: plastics are easy to process into a variety of shapes and sizes.

3. Good corrosion resistance: plastics have good resistance to water, acids, alkalis and other substances, and can make products that do not deform for a long time.

4. Good Transparency: Plastic has good transparency and can be manufactured into products of various colors, transparency and luster.

5. Low cost: Plastic is relatively inexpensive compared to traditional materials.

Disadvantages of Plastic:

1. Easy to age: Plastic is exposed to sunlight and oxygen for a long period of time, which can easily lead to aging and embrittlement.

2. Poor thermal stability: many plastics lose strength at high temperatures and cannot be used in high-temperature environments.

3. Non-degradable: some plastics are difficult to be decomposed naturally, which can cause pollution to the environment.

4. Easy to burn: most plastics are flammable in the air and difficult to extinguish, easily causing accidents.

In summary, the use of plastic materials has certain advantages and disadvantages, and you need to make a choice according to the specific situation required.