
1. Polytetrafluoroethylene (PTFE)
Polytetrafluoroethylene, commonly known as Teflon or Taflon, is a highly fire-resistant plastic. It has excellent high-temperature resistance and can maintain stability under extreme temperature conditions. PTFE is not easily combustible and does not produce toxic gases even under flames. This makes it widely used in some special fields, such as aerospace and chemical industry.
2. Polyimide (PI)
Polyimide is a high-performance engineering plastic with excellent fire resistance. It can still maintain its mechanical properties and chemical stability at high temperatures. Polyimide is widely used in fields such as aerospace, electronics, and automobiles, where high temperature environments require materials to have excellent stability.
3. Polyphenylene sulfide (PPS)
Polyphenylene sulfide is a high-performance plastic with good fire resistance and chemical stability. It can maintain strength and stiffness at high temperatures, so it has been widely used in some industrial fields that require fire resistance, such as electronic devices, automotive components, etc.
4. Polyether ketone (PEEK)
Polyether ketone is a high-performance plastic with excellent high-temperature resistance. It can still maintain mechanical properties and chemical stability at high temperatures, so it has a wide range of applications in aerospace, medical devices, electronics, and other fields.
5. Polyamide amide (PAI)
Polyamide imide is a high-temperature plastic with excellent insulation and corrosion resistance. It maintains stability in high-temperature environments and is therefore widely used in fields such as electronics and aerospace.
These plastics are considered the most fire-resistant mainly because they are not easily combustible under high temperature conditions and can maintain good physical and chemical properties. However, it should be noted that each type of plastic has its applicable temperature range and specific application areas.

