Polypropylene centrifuge tube

These disposable conical-bottom and freestanding tubes feature easy-to-read graduations and smooth inner walls for easy filling and sample preparation. Rack-packed tubes are packaged in freezable, recyclable, autoclavable racks, and stackable rack designs make them ideal for benchtop organization. Caps are available in either flat or plug styles. Certain models are designed to provide protection for light-sensitive samples, manufactured from a dark polypropylene. These high-quality, high-performing centrifuge tubes are ideal for maintaining a secure seal when using shakers and horizontal incubators. Molded graduations stand out distinctly on these optically clear polystyrene tubes. • Longer length screw caps include a PE insert to prevent any leakage • Manufactured from crystal-clear virgin polystyrene The flat surface of the high-density polyethylene cap provides an at-a-glance identification area. RNase-free, DNase-free and non-pyrogenic. Tubes are not autoclavable.