50Pcs Conical Centrifuge Tubes, 15mL Sterile Polypropylene Test Tubes Sterile Polypropylene Test Tubes, Leak-Proof Screw Caps

Material Composition
Made of medical grade PP (polypropylene) for the tube and medical grade PE (polyethylene) for the screw cap, PP offers high resistance to chemicals, mechanical stress, and extreme temperatures.

Leak-Proof Design
Long screw caps tightly seal to prevent sample leakage, while the smooth and flat inner surfaces ensure no residual solution remains.

User-Friendly Features
Easy-to-read black printed graduations and a large writing area, along with flat polyethylene lids for easy labeling.

Performance Specifications
Max RCF Rating: 9,400 x g, Autoclavable at 121℃/ 249.8℉ and freezable to -80℃/-112℉, Successfully passed 95 KPa pressure test.

Graduation and Dimensions
Printed graduation range from 2 to 14mL, interval at 0.5mL; Tube Dimensions (O.D. x L): 16.7mm x 118.6mm; Cap Dimensions (O.D. x L): 21.5mm x 10.6mm.