Test tubes with screw caps are suitable for transporting and growing of cultures.
made of borosilicate glass 5.1
very good chemical resistance
minimal thermal expansion
high resistance to thermal shocks
with round bottom
with white marking area
with screw thread and black screw cap including Butyl/PTFE sealing insert (loosely attached)
sterilisable up to 110 °C
wall thickness: approx. 1.0 to 1.1 mm
ungraduated