When we decide the material of manufacturing products, the choice of metal or plastic materials, there will be a variety of considerations, in addition to price factors, but also to understand the characteristics of metal and plastic, so what are the characteristics of plastic, what are the advantages and disadvantages?

(1) advantages

1、Most plastics are corrosion resistant and do not react with acids and alkalis.

2、Low manufacturing cost of plastics.

3、Durable, waterproof and light weight.

4、Easy to be processed into different shapes.

5、Good insulator.

(2)Disadvantages

1、It is very difficult and economically uneconomical to sort waste plastics for recycling.

2、Plastics are easy to burn and produce toxic gases when burned. For example, polystyrene burning produces toluene, a small amount of this substance will lead to blindness, vomiting and other symptoms, PVC burning will also produce hydrogen chloride toxic gas, in addition to burning, is the high temperature environment, will lead to the decomposition of plastic toxic components, such as benzene.

3、Plastics are made from the products of petroleum refining, and petroleum resources are limited.

4、Plastics buried in the ground for hundreds, thousands or even tens of thousands of years will not decay.

5、plastic heat resistance and other poor performance, easy to aging.

Due to the non-natural degradability of plastic, it has become the number one enemy of human beings and has led to the tragedy of many animal deaths. The large amount of plastic waste and ocean plastic is already a problem that humans need to face together.