Ideal for science lessons and experiments, these Simax glass test tubes offer reliable performance for both teachers and students. Made from durable borosilicate glass, they are suitable for a wide range of laboratory activities in secondary schools and colleges.

• Made from borosilicate glass 3.3 for excellent heat and chemical resistance
• Medium wall thickness: 1.2mm for added durability
• Dimensions: 18mm diameter x 150mm length
• Supplied in a pack of 100 for classroom use
• Features a rim for easy handling and pouring
• Compatible bung size: 13 (B8A82569)