Simax Boiling Tubes with Rim – 150 × 24mm, 1.2mm Wall (Box of 50)

The Simax Boiling Tubes with Rim (150 × 24mm) are high‑quality laboratory boiling tubes manufactured from premium 3.3 borosilicate glass, designed for safe and dependable performance in school science laboratories. Part of the renowned Simax test and boiling tube range, each tube features a rolled rim and uniform wall thickness for strength, consistency, and ease of handling.

With a medium‑duty 1.2mm wall thickness, these boiling tubes are ideal for experiments involving direct heating, boiling, and larger sample volumes. Borosilicate glass provides excellent thermal shock resistance and outstanding chemical resistance, making these tubes suitable for repeated use with a wide variety of laboratory chemicals.

Supplied in a practical box of 50, these large‑diameter boiling tubes are well suited to demonstrations, group work, and experiments where clear visibility and safe heating are essential. The transparent glass allows students to easily observe reactions, gas production, and changes during experiments.

Looking for additional sizes or alternatives? View more test tubes here.

Key Features

• Box of 50 rimmed boiling tubes
• Dimensions: 150mm length × 24mm diameter
• Medium‑duty 1.2mm wall thickness
• Manufactured from 3.3 borosilicate glass
• Rolled rim for added durability and safer handling
• Designed for maximum heat transfer
• Excellent resistance to thermal shock
• High chemical resistance
• Uniform wall thickness for consistent laboratory performance

Ideal for School Science Lessons

Ideal for KS3, GCSE, and A Level science lessons, these Simax borosilicate boiling tubes are particularly well suited to experiments that involve heating larger volumes. They are commonly used for:

• Boiling and heating larger liquid samples
• Demonstrating exothermic and endothermic reactions
• Observing gas evolution, precipitation, and colour changes
• Investigating reaction rates and temperature effects
• Teaching correct safe heating techniques with laboratory glassware

Strong, reliable, and designed for repeated educational use, these Simax rimmed boiling tubes are an essential component of safe, effective, and engaging practical science teaching.