Nalge Nunc Round-Bottom Centrifuge Tubes Polypropylene Copolymer NALGENE Pack of 10. Combining top-notch and uncompromising quality with an affordable price the Nalge Nunc Round-Bottom Centrifuge Tubes Polypropylene Copolymer NALGENE 3110-9500/ 21010-818 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: The round-bottom design provides a stable platform for centrifugation and enhanced sample recovery. These polypropylene tubes are recommended for applications requiring a high level of accuracy and reproducibility. The unique two-piece open-bottom design prevents cross-contamination between applications. They have extremely strong smooth bottoms allowing for full rinsing several times without plugging. The unique ridged cap design enables a liquid to be trapped at the bottom of the tube when rinsing is complete. The cap is easy to remove for filling and pouring and resists chemical breakdown. The flared round bottom design provides added strength and durability. They are autoclavable under normal autoclaving guidelines. The polypropylene copolymer formulation provides for excellent chemical and corrosion resistance. The soft polypropylene copolymer rims provide an excellent slip resistance. The soft polypropylene copolymer rims provide an excellent level of transparency and flexibility. The all-polyethylene copolymer (instead of glass) stoppers provide an excellent level of protection against breaking. The high-grade white tube base prevents chipping and provides for a smooth round bottom. They meet the requirements of clinical laboratories and government laboratories. The uniformly spaced round bottoms are also ideal for harvesting and dividing. The lip size has a consistent spherical shape permitting accurate volume readings. The octagonal shape provides for better sample recovery and recovery. The lip also has wells for applying a syringe handle. The flared-bottom design provides for a greater range in the number of filling lanes. The large O-ring around the neck of the tube is also grooved to permit drainage of supernatant. The large O-ring provides a handle for easier dispensing. The large O-ring around the neck of the tube provides excellent mechanical support. The addition of a number of nucleated tubes makes the tube easy to handle. Large O-rings are also necessary to facilitate dispensing procedures. Specifications for Nalge Nunc Round-Bottom Centrifuge Tubes Polypropylene Copolymer NALGENE 3110-9500 : Vol.mL: 50 Dia. x L mm: 28.7 x 104.2 FitsClosure No.: 29 NNI No.: 3110-9500 Unit: Pack of 10 Maximum RCF: 50000 g (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Nalge Nunc products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Centrifuges with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for Nalge Nunc Centrifuges. We are an authorized supplier to all federal and state government agencies as well as to research and educational institutions and can facilitate volume orders on many types of laboratory equipment lab consumables and other products to help fulfill your specific needs. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over 49. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses. In addition to the Nalge Nunc Round-Bottom Centrifuge Tubes Polypropylene Copolymer NALGENE 3110-9500/ 21010-818 we carry a full complement of Centrifuges as well as other product offerings from Nalge Nunc. We also carry a full line of Nalge Nunc accessories to help meet your laboratory and scientific needs. For a complete selection of Nalge Nunc Centrifuges please visit our Nalge Nunc page. For more brand name Centrifuges please visit our Centrifuges store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. Nalge Nunc Round-Bottom Centrifuge Tubes Polypropylene Copolymer NALGENE 3110-9500 Pack of 10