Screw cap tube are manufactured from high-quality Polypropylene (PP) material. The bottom is self-standing design, more conducive to sample storage and placement, screw Cap Tubes feature screw caps that provide a tight secure seal, ideally suited for the storage and transfer of laboratory reagent and solution.

Precaution:
Handling of liquid nitrogen
1. Store liquid nitrogen in the vapor phase for safety reasons.
2. In the liquid phase, liquid nitrogen may flow into the tube, resulting in the tube rupture and the nitrogen spatter during defrosting.
3. Wear a face shield, protective clothes, and gloves when handling liquid nitrogen for defrosting.

Features:

1. Polypropylene, Clear 
2. Withstand temperature to -80°C   
3. Disposable 
4. Sterile
5. DNase/RNase-free
6. Conical-bottom, Self-standing