Material Specifications: Must utilize austenitic stainless steel of grade 06Cr19Ni10 (SUS304) or higher.
Structural Design: Must be equipped with portable accessories, such as a carrying handle and shoulder strap.
Performance Parameters:
Thermal Insulation: Maintains a temperature of ≥58°C for 6 hours when filled with 95°C hot water.
Cold Retention: Introduction of quantified standards for cold retention performance.
Impact Resistance: No leakage or structural damage observed following a drop from a specified height.
Mechanical Properties:
Opening/Closing Force (Switch Mechanism): Within the range of 5 N to 20 N.
Durability (Switch Mechanism): Withstands ≥5,000 opening and closing cycles.