0.5 mL MCT Standard Screw Cap, sterile (500 pcs)

APEX® screw cap microcentrifuge tubes are ideal for sample collection, processing, and storage. These versatile and durable conical bottom tubes are manufactured from high-clarity, medical-grade polypropylene and have been designed for use in a variety of laboratory settings. The APEX® 0.5 mL conical bottom, screw cap graduated tube measures 39.88 mm in height and has an opening with an outer diameter of 10.41 mm and an inner diameter of 8.38 mm. Each tube comes with a matching standard cap that has a height of 6.10 mm and an outer diameter of 12.95 mm. The standard cap features a silicone O-ring to ensure a leak-proof seal. The APEX® screw cap microcentrifuge tube is graduated in 100 µL increments for more accurate sample volume estimation. A wide variety of racks are also available for benchtop work or for secure, long-term freezer storage of tubes. The tubes and caps are manufactured from the same material and have the same coefficients of expansion to ensure uniform expansion and contraction rates through temperature changes. The tubes can be centrifuged at up to 20,000 x g and are suitable for use in a temperature range of -196 °C to 121 °C, making them suitable for cooking applications and frozen sample storage. However, they should not be submerged in liquid nitrogen. APEX® screw cap microcentrifuge tubes are certified free of RNase, DNase, and DNA. These sterile tubes are gamma irradiated and certified pyrogen-free. They come in a pack of 500.