Ductive materials: Our falcon tube is made of high-quality and high-purity polypropylene materials. These containers can be used as a high -pressure kettle test tube, and the maximum RCF is 12000 x g Easy to mark: Plastic centrifugal tube also has a designated white area, which is easy to mark and recognize. This small labeling tube function is very convenient to stick labels. Accurate scale: The scale of the centrifugal tube is also printed on the side of the test tube. This graduation thesis is accurate and easy to read. Measurement is convenient for scientific applications. Introduction to leak -proof laboratory: The centrifugal test tube is equipped with a polyethylene cover, the seal is firm, and leaks are not allowed. These containers can be placed on the shelf, repeatedly, safe and safe. Sterilizer: These large plastic tubes are sterilized by EO, and it is convenient to use. They can safely be used in various applications, including solids, liquids, powder, seeds, pills and granular objects. Type:A:Scientific Conical, 50ML/B:Self Standing, 50ML/C:Scientific Conical, 15ML Colour:Transparent & Blue Material:Plastic<br><br>Package Contents: 50 * Centrifuge Tubes Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.