What are the advantages and disadvantages of plastics?

Advantages of plastics: \x0d\ 1. Most plastics have strong corrosion resistance and do not react with acid and alkali. 2, the plastic manufacturing cost is low. 3. Durable, waterproof and light. It is easy to be shaped into different shapes. 5. It is a good insulator. 6. Plastics can be used to prepare fuel oil and gas, which can reduce the consumption of crude oil. \x0d\ 2。 Disadvantages of plastics: \x0d\ 1. When recycling waste plastics, it is difficult to classify and uneconomical. 2, plastic is easy to burn, and toxic gases are generated when burning. 3. Plastics are made from petroleum refined products, and petroleum resources are limited.