iFutniew 20 Pcs Non-Completed Plastic Test Tubes Lab Test Tool With Screw Cap Transparent, 12 * 60mm

Perfect for samples, food colors, craft use etc. These are made for use as centrifuge tubes and are therefore leak proof. Plastic test tubes for laboratory tests; Round bottom with screw top on the top. The change from glass cylinders to the plastic equivalent Globe severely rupture and reduce the potential for injury. The non-wetting inner eliminates concave menisci, more accurate measurements. Chemically resistant to most acids, bases and many common solvents.