KIMAX® Heavy duty round bottom centrifuge tubes are manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.

• Marking spot is sandblasted
• Autoclavable black phenolic caps with PTFE-faced rubber liners
• Tube with a heavy wall withstands higher speeds in centrifuging

Ideal for separating neutralized sediment for culturing from specimens of sputum. It is applied in clinical work and in many microbiological applications.