- Easy handling and pouring
- Constructed of durable borosilicate glass
Test tube designed with beaded rim - Designed with 14 mL capacity
- Test tube has a 15 mm outer diameter and 125 mm length
These test tubes are made from special tubing to give optimum wall thickness. They are well annealed, resistant to heat, and chemically stable. Rims are fire-polished to provide a smooth yet durable surface. The 25-mm tubes have a PYREX logo but no marking spots. All other test tube sizes feature a white marking spot.
