Centrifuge tube rack is made of polypropylene. Used for conical bottom centrifuge tubes suitable for various laboratory applications. Centrifuge tube rack can hold up to 18 (50 ml) centrifuge tubes and 25 (15 ml) centrifuge tubes. They allow for efficient handling and tracking of multiple samples, minimizing the risk of contamination or mix-up. Overall, centrifuge tube racks are essential tools in many laboratory settings, providing a convenient and organized way to handle and process samples in centrifugation and other laboratory