
Large Mouth Liquid Nitrogen Tank for Cryogenic Treatment of Metal Parts. Vacuum Insulation Technology: Double-wall vacuum structure ensures excellent insulation and minimal liquid loss. Durable Aluminum Alloy: High-strength aluminum alloy construction provides light weight and structural durability. Customizable Neck Diameter: Available in 50mm, 80mm, 125mm, and 210mm calibers with special requirements supported. Versatile Canister Options: Bottom options include no holes or with holes for carrying and dipping small objects. Protective Insulating Cover: Washable fabric cover minimizes evaporation and protects container during transport. Lockable Safety Lid: Optional lockable lid ensures sample safety and prevents accidental touching. 1-Year Quality Warranty: Comprehensive 1-year warranty coverage with long-term technical support included. 24/7 Online Support: Round-the-clock online assistance for inquiries, model selection, and after-sales service.