It are designed for precise laboratory applications, offering durability and convenience. Manufactured from high-quality polypropylene (PP), these tubes feature a conical shape with a self-standing bottom, eliminating the need for separate test tube racks. Each tube is graduated for accurate measurement and comes with a tight-sealing red screw cap, ensuring sample integrity. Sterile and pyrogen-free, these tubes can withstand temperatures as low as -80°C and centrifugal forces up to 8,500 x g, making them suitable for various laboratory procedures.