1. Appearance is pure white; 2. High temperature resistance: operating temperature -200~+250℃; 3. Low temperature resistance: -196℃ can keep 5%; 4. Corrosion resistance: resistant to strong acid, alkali, aqua regia and various organic solvents; 5. Various specifications and shapes of tetrafluoro beakers can be customized; 6. The operating temperature is -200~250℃, and the electric heating plate can withstand 300℃ in a short time;