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A centrifuge tube is a tubular sample container that can have a sealing lid or a gland. It is mainly used in laboratories, especially in centrifuges, to hold samples that need to be centrifuged.
There are many types of centrifuge tubes, and different types can be selected according to different needs. For example, according to the size, they can be divided into large-volume centrifuge tubes (**0mL, **0mL) and ordinary centrifuge tubes (*0mL, *5mL); according to the shape of the bottom, they can be divided into conical centrifuge tubes and flat-bottomed centrifuge tubes; according to the lid closing method, they can be divided into gland centrifuge tubes tubes and screw cap centrifuge tubes.
The main materials of centrifuge tubes are plastic, glass and steel. Plastic centrifuge tubes are the most commonly used because they are less rigid and can be punctured to obtain the required substances. But this also means that it is more susceptible to deformation and has poor corrosion resistance, so it has a shorter lifespan. Glass centrifuge tubes have good corrosion resistance and thermal stability, and are suitable for samples that need to be stored for a long time. Steel centrifuge tubes are suitable for occasions with higher strength requirements.