50ml Flat Bottom/Conical/Round Plastic Centrifuge Tubes

Freezing tubes, commonly referred to as cryovials, are specialized laboratory containers designed for the safe storage of biological samples at ultra-low temperatures, including in liquid nitrogen environments. These tubes are typically made from high-quality polypropylene (PP), which offers excellent chemical resistance, thermal stability, and durability at extreme temperatures (as low as -196 °C).

Cryovials come in various volumes, most commonly ranging from 1.0 mL to 5.0 mL, and are available in both internal and external thread formats. They are equipped with leak-proof screw caps, often with silicone O-rings or sealing gaskets, to prevent contamination and evaporation during storage.

Many freezing tubes are sterile, DNase/RNase-free, and come with printed graduation marks and writable surfaces for sample identification. They are widely used in biobanks, medical research, clinical labs, and pharmaceutical settings to store cells, DNA/RNA, serum, plasma, enzymes, and other biological specimens.

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50ml conical centrifuge tube 50ml centrifuge tube plastic centrifuge tubes 50ml flat bottom

Product Description

50mL plastic centrifuge tubes are widely used in biological, chemical, and clinical laboratories for sample storage, centrifugation, and mixing. They have flat bottom, conical bottom, and round bottom designs, which are multifunctional and can meet different experimental requirements.

Cone-shaped bottom pipe

Specially designed for easy collection of particles after centrifugation, making it an ideal choice for applications that require separation of cells, proteins, or precipitates.

Flat bottomed tube

Provide stable placement on countertops without shelves, suitable for sample storage, transportation, and non centrifugal applications.

Round bottom pipe

Minimize sample loss and stress points during centrifugation, making it highly suitable for gentle mixing and suspension culture.