Our Centrifuge Tubes are crafted from high-quality polypropylene, ensuring they are both durable and resistant to chemical degradation. This material choice guarantees that your Centrifuge Tubes will not crack or break even under the most demanding conditions. The robust construction of our Centrifuge Tubes allows for repeated use without compromising the integrity of your samples. https://www.sainingsci.com/product/liquid-handling/micro-centrifuge-tube.html