- Prevents the breakage problems associated with glass test tubes.
- All of the tubes are plastic (polystyrene, polypropylene or polypropylene-copolymer), thus preventing the problem of broken glass.
- Polypropylene tubes (PP) are tough, autoclavable, and chemically resistant, while polystyrene tubes (PS) offer glass-like clarity.
- Their bottom is either round or conical
These tubes are not available sterile