Features:
 1. Appearance Pure White
 2. High Temperature: Temperature -200 ~ +250 ℃
 3. Low temperature: -196 ℃ to maintain a 5%
 4. Corrosion resistant: resistant to acid, alkali, aqua regia, and various organic solvents
 5. All kinds of shapes can be customized PTFE beaker
 6. Temperature -200 ~ 250 ℃, electric on-board short term resistance to 300 ℃
 7. Be used in asbestos-line, non-contact with open flame