... blowing, etc. Used in fields such as metal heating treatment, powder metallurgy, magnetic material, copper process ... No.: TY395-5004. Color: Silver,bright and white.5. Nitrogen flow: 500Nm3/h.6. Nitrogen purity ... Celsius.8. Warranty period: One and a half years.9. Product life: At least 10years ... , etc. Used in fields such as metal heating treatment, powder metallurgy, magnetic material, copper process ...