... Equipment,Nitrogen Making Machine,Make Nitrogen gas,Nitrogen Making Machine Nitrogen Generator,Nitrogen Gas for Packing Food,Keeping ... Dew point:-45 degree Celsius.8. Warranty period: One and a half years.9. Product life: At ... polyurethane, biological technology, intermediate, etc. 4.)Electronic industry: For encapsulation, agglomeration, anneal, deoxidization, storage of electronic products. Used ...