These Pyrex medium wall glass test tubes are ideal for science experiments in primary, secondary and college classrooms, offering reliable performance for teachers, technicians and students alike. Made from high quality borosilicate glass, they are designed to withstand repeated heating and chemical exposure, making them suitable for a wide range of practical investigations.

• Made from thermally and chemically resistant Pyrex borosilicate glass

• Each tube measures 16mm diameter x 150mm length

• Medium wall thickness of 1.2mm for added durability

• Withstands temperatures up to 500°C

• Supplied as a pack of 100 test tubes