2.0 ml Screw Cap MCT Standard Cap with Lip, sterile (500 pcs)

APEX® screw cap microcentrifuge tubes are ideal for sample collection, processing and storage. These freestanding, versatile and durable tubes are manufactured from high-clarity, medical-grade polypropylene and are designed for use in a variety of laboratory environments. The APEX® 2.0mL skirted screw cap tube is 44.45mm high, with an opening that has an outer diameter of 10.41mm and an inner diameter of 8.64mm. Each tube features a matching standard cap that is 6.10mm high and has an outer diameter of 12.95mm. The standard cap features a silicone O-ring, which creates a leak-proof seal. The APEX® screw cap microcentrifuge tube is graduated in 100µl increments for more accurate estimations of sample volume. A wide variety of racks are also available for benchtop work or for safe and long-term freezer storage of tubes. The tubes and caps are made from the same material and have the same coefficients of expansion to ensure uniform expansion and contraction rates with changes in temperature. Tubes can be centrifuged at up to 20,000 x g and are rated for use in a temperature range from -196°C to 121°C, making them suitable for boiling applications and frozen sample storage. However, they should not be immersed in liquid nitrogen. APEX® screw cap microcentrifuge tubes are certified RNase, DNase, and DNA free. These sterile tubes are gamma irradiated and certified pyrogen-free. They come in a pack of 500.