... no corrosion, no oxidize, and bear high temperature: importedhigh pure ceramic, stainless electrode and parts, PVDF5) High pure silicone rubber, 10 ... 84.720.3-38.4426Technical requirement:Surrounding temperature: 10-30 °C Oxygen pureness: >90% Gas resource open points: -40 ~ 70 ... °C Air outlet pressure: ≤0.05MpaCooling water outlet temperature: 20+/-2° ...