What is the difference between a cold drink cup and a hot drink cup?

With the acceleration of the rhythm of life, disposable paper cups are increasingly entering people's convenient life? For disposable paper cups, it can be divided into "cold cups" and "hot cups...
Maybe everyone will feel that disposable paper cups are nothing more than cold water and hot water. What is the difference?
According to the material, disposable paper cups can be divided into two types: paraffin cups and PE coated cups:
Paraffin is very stable at 0-5 degrees Celsius, but when it reaches 42-62 degrees Celsius, the paraffin will melt and release harmful substances such as polycyclic fen hydrocarbons, which are a possible carcinogenic chemical substance, so , the paraffin cup can only be used for cold drinks!
PE film is a kind of plastic film, which can prevent moisture, ultra-low temperature and high temperature of 100 degrees Celsius, so it can hold both hot and cold drinks!