TUBE MATERIAL: Polypropylene(PP).
Pack of 50.
EASY TO DISTINGUISH: Plastic centrifuge tubes also include a convenient white writing patch for easy marking and identification. The patches are nice for labeling. And the test brown tubes with screw caps.
EASY TO READ: White graduations of plastic centrifuge tubes are easy to read, So these lab centrifuge tubes are better for science experiments.
AUTOCLAVABLE AND FREEZABLE: It is autoclavable at 121℃/249.8℉ and freezable to -80℃/-176℉.
WIDE APPLICATIONS: These plastic centrifuge tubes are general used in fields of biochemistry and molecular biology，such as separation and preparation of various biological samples.