Material:virgin polypropylene (autoclavable)
Centrifugal force:
20,000 x G (water 1.0 mL / 15 minutes)
With scale (200 / 1000 μL)
Flat top (with marking space)
Ultraviolet rays is not passed and sensitive to the
light of the bilirubin test etc.
It is convenient for the experiment and the preservation of
the sample.
There are two kinds of black of opacity in complete and
translucent brown.