Test tubes borosilicate glass with screw cap 100x13mm, 100 per Pack

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