Kimble Boiling Tubes Rimless – 150 × 24mm (Box of 50)

The Kimble Rimless Boiling Tubes 150 × 24mm are high‑quality laboratory tubes designed for heating, mixing, and observing chemical reactions in educational environments. Manufactured from borosilicate 3.3 glass, these boiling tubes provide excellent resistance to heat and thermal shock, offering a reliable and cost‑effective alternative to Pyrex for school laboratories.

With a rimless design and a generous internal diameter, these tubes are ideal for experiments involving heating larger volumes of liquids or solids. Measuring 150mm in length × 24mm in diameter, they feature a consistent wall thickness of 0.8–1.0mm, ensuring durability while maintaining good heat transfer during Bunsen burner use.

Supplied in convenient boxes of 50, these Kimble boiling tubes are compatible with 21mm rubber stoppers (bottom diameter), allowing them to be used in a wide range of experimental setups.

Key Features

• High‑quality borosilicate 3.3 glass
• Rimless boiling tubes for easy cleaning and handling
• Dimensions: 150mm length × 24mm diameter
• Wall thickness: 0.8–1.0mm
• Excellent resistance to heat and thermal shock
• Good value alternative to Pyrex
• Compatible with 21mm rubber stoppers (bottom diameter)
• Supplied in a box of 50
• Product code: 8435

Ideal for School Science Lessons

These Kimble Boiling Tubes are ideal for use in KS3, GCSE, and A‑Level science lessons, providing a safe and robust option for practical chemistry experiments involving heat.

• Heating substances using a Bunsen burner
• Investigating chemical reactions and changes of state
• Observing reactions that produce gas or precipitates
• Using rubber stoppers for simple gas experiments
• Developing confidence in handling laboratory glassware

Durable, reliable, and excellent value for money, these Kimble Rimless Boiling Tubes are an essential item for school science departments, supporting safe, practical, and engaging laboratory lessons.