Ideal for science lessons and experiments, these Simax glass test tubes offer reliable performance for teachers and students in primary, secondary, and college settings. Made from durable borosilicate glass, they are designed for safe handling and repeated use in the classroom or laboratory.

• Made from borosilicate glass 3.3 for excellent heat and chemical resistance
• Medium wall thickness of 1.2mm for added durability
• Tube dimensions: 24mm diameter x 150mm length
• Pack of 50 test tubes, suitable for group activities
• Supplied with rim for easy pouring and handling
• Compatible bung size: 19 (B8A82594)