Tianchi KGSQ liquid nitrogen tank is a device used to store liquid nitrogen. It is made of aluminum alloy and adopts an inner and outer double-layer structure. It has a vacuum layer and thermal insulation design, low liquid nitrogen volatilization rate, light weight, and takes up little space. , larger capacity sample cryopreservation and other advantages. The main function is to store and provide liquid nitrogen for laboratory research, cryopreservation of biological samples, preparation of superconducting materials and other applications. Dewar flask 30L product specifications Brand: Tianchi Material: aluminum alloy Warranty period: 5 years After-sales service: 2 years Model: YDS-30 Volume(L):31 Caliber(MM):50 Outer diameter(MM):440 Height(MM):730 Static storage(D):260 Static liquid nitrogen evaporation capacity (kg/D): 0.09 Model: YDS-30-80 Volume(L):31.5 Caliber(MM):80 Outer diameter(MM):440 Height(MM):730 Static storage(D):150 Static liquid nitrogen evaporation capacity (kg/D): 0.15 Model: YDS-30-125 Volume(L):31.5 Caliber(MM):125 Outer diameter(MM):440 Height(MM):730 Static storage(D):100 Static liquid nitrogen evaporation capacity (kg/D): 0.25 Model: YDS-30-210 Volume(L):31.5 Caliber(MM):210 Outer diameter(MM):440 Height(MM):730 Static storage(D):49 Static liquid nitrogen evaporation capacity (kg/D): 0.50 Tianchi KGSQ has more than ten years of production experience. The company has professional production technology and high-tech equipment. We provide high-quality liquid nitrogen biological containers, self-pressurized liquid nitrogen containers, and stem cell liquid nitrogen tanks. We don't recycle any of our products, so you can have confidence in our products. return policy Buy with confidence. If you want to return an item for any reason, you have 30 days. â?? If necessary, please feel free to contact us: