The reason why the non-stick pan is not sticky lies in the coating called "Teflon" at the bottom of the pan. This substance is the general name of fluorine-containing resin, including polytetrafluoroethylene, perfluoroethylene propylene and various fluorine-containing polymers. These compounds have the advantages of high temperature resistance, low temperature, self-lubrication and chemical stability.

The advent of "non-stick pan" has brought great convenience to people's lives. People don't have to worry about cook the meat any more, but they will burn carelessly. When frying fish, the fillets stick to the pan wall. This non-stick pan has nothing to do with the appearance of ordinary pan, except that the inner surface of the pan is coated with a layer of PTFE.

This kind of popular kitchen utensils is made by using the excellent thermal performance, chemical performance, easy cleaning performance and non-toxic performance of PTFE. PTFE is known as the "king of plastics" with good chemical corrosion resistance and aging resistance, and aqua regia is also difficult to corrode.

Ordinary plastic products are prone to aging. Things that look good in the past will crack or even break after three to five years or ten years. Products made of "Plastic King" can be placed outdoors, regardless of the sun and rain, and there will be no damage in twenty or thirty years. Therefore, it is widely used in life and chemical industry.