Product features SUNTRINE storage tubes are made of medical grade USPVI 100% pure high molecular weight polypropylene (PP) material, with seven cover colors available. The unique brown storage tube has excellent shading function and can be used to store easily decomposed or spoiled reagents when exposed to light. The tolerance is -30 ℃ -120 ℃, suitable for ultra-low temperature refrigerators (not suitable for storage in liquid nitrogen gas phase) Thickened pipe wall, with O-ring sealing gasket embedded in the pipe cap to prevent liquid leakage, SUNTRINE storage tube specifications include: 0.5ml, 1.5ml, 2.2ml; The spiral cover and wall of the preservation tube are both made of polypropylene with the same coefficient of expansion, further enhancing the sealing performance of the preservation tube at different temperatures, Radiation sterilization, no DNA enzyme, no RNA enzyme, no pyrogen, no endotoxin; SUNTRINE storage tube, universal thread, pipe cover sealing ring design, suitable for all models; Application scenarios for tube body adaptation to conventional rotor functions: liquid storage and transportation, operation of protein imprinting experiments