Losueeun Pack of 20 Non-Graduated Plastic Test Tubes Laboratory Test Tool with Screw Cap Transparent 12 x 60 mm

The glass cylinders to the plastic equivalent globe strongly breakage and reduce the potential for injury. Ideal for samples, food colouring, use etc. These have been manufactured for use as centrifuge tubes and are therefore leak-proof. The non-wetting inner eliminates concave menisci, more accurate measurements. Plastic test tubes for laboratory tests; round bottom with screw cap on the top. Chemically to most acids, bases and many common solvents.