Scope of application: Applicable to all kinds of human and animal vaccines, biological preparations, biological drugs, living cells, animal and plant specimens, plasma, blood products, human dry cell and other related cold-chain transport. Technical parameters: 1.1 Material 1.1.1 product introduction: inside and outside layer adopts PP hard plastic, intermediate sandwich polyurethane foam insulation materials, inside of the box with special efficient storage materials "colloid ice cold cool, can keep the cold chain cold more than 48 hours (2-8 ℃). It is suitable for carrying and transporting all kinds of vaccines outdoors. Ideal for outdoor cryogenic vaccines, this product can also be widely used for other cold storage purposes. 1.1.2 insulation layer material: polyurethane foaming with a density of 40-45kg /m3; 1.1.3 materials for connecting parts: the two sides and the box body are connected with multi-point inlaid buckles. The hinge is firm and durable. The cover can be opened on both sides. 1.2 specification and size: external size: 670 x 340 x 380mm; internal size: 600 x 250 x 300mm 1.2.1 maximum volume: 48L; Effective volume: 30L; 1.2.2 thickness of thermal insulation layer: not less than 38mm, the thickness of thermal insulation layer is uniform and consistent; 1.3 Cold time: 43 ℃ ambient temperature, the liquid in the oven temperature of 2 ~ 8 ℃, frozen time 72 hours or more; 1.4 Acuity level Ⅳ fastness, enclosure, fitting Ⅲ or higher level; 1.4.1 Load of the box body is greater than 100 kg, and the tension of the connecting piece is greater than 60 kg. 1.4.2Total weight: 17kg, empty container weight: 8kg 2 Ice source requirements 2.1 six 30*240*290mm ice boxes 2.2.2 materials: polyethylene is highly efficient, firm and strong, safe and non-irritating to human skin; 2.2.3 freezing features: when frozen into solids, the maximum thickness of ice row shall not exceed 15% of the thickness when not frozen; 2.2.4 ice row size: 30*240*290
