Borosilicate Glass Beaded Rim (Boiling) HD Test Tube, 50ml, 150x24mm x 50pcs

These 50mL heavy-walled test tubes are made from borosilicate 3.3 glass, offering excellent thermal shock resistance and durability. Ideal for centrifugation, boiling, open flame reactions, and educational use.

Key Features:

• Material: Borosilicate 3.3 glass for superior heat and chemical durability
• Heavy Wall: 2mm thickness for strength and thermal shock resistance
• Beaded Rim: Chip and crack-resistant, fire-polished for safety
• Autoclavable: Easy to sterilise for repeated use
• Dimensions: 150mm tall, outer diameter 24mm, inner diameter 20mm
• Capacity: 50mL (1.6oz)
• Thermal Tolerances: Strain Point 515'C, Annealing Point 565'C, Softening Point 820'C
• Pack of 50: Ideal for classroom experiments and scientific studies

Perfect for chemistry, biology, and physics experiments, these test tubes are designed for both professional labs and educational settings.