The advantage and defect of plastic
Advantage:
Most plastics have strong corrosion resistance and do not react with acids or bases.
Low cost of plastic manufacturing
Durable, waterproof, light weight.
Easy to be molded into different shapes.
Is a good insulator.
Plastics can be used to prepare fuel oil and fuel gas, which can reduce crude oil consumption.
Defect:
1. Recycling waste plastics, classification is very difficult, and not cost-effective.
Plastics burn easily and produce toxic gases when they burn. For example, when polystyrene burns, it produces toluene, a small amount of this substance […]