Simax Borosilicate Glass Gas Jar – 25 × 5cm (Cylindrical, Without Lid)

This Simax Cylindrical Glass Gas Jar is a high‑quality, well‑finished piece of laboratory glassware designed for reliable use in school science laboratories. Manufactured from premium Simax borosilicate glass, it offers excellent durability, clarity, and resistance to heat and chemicals. Measuring 25cm high × 5cm diameter, this taller gas jar provides increased capacity and is supplied without a lid.

The gas jar features a robust, flat base for improved stability during experiments, along with a reinforced top flange for safe handling and repeated classroom use. Simax borosilicate glass is globally recognised for its excellent thermal shock resistance and chemical durability, making this gas jar ideal for frequent use in busy educational environments.

Its clear glass construction allows easy observation of gas behaviour and reactions, making it perfectly suited to both student practical work and teacher‑led demonstrations.

Key Features

• Simax borosilicate glass gas jar
• Cylindrical design
• Dimensions: 25cm height × 5cm diameter
• Supplied without lid
• Robust base for improved stability
• Reinforced top flange for safe handling
• Excellent thermal and chemical resistance
• Clear glass for easy observation of reactions
• Suitable for school and laboratory use

Ideal for School Science Lessons

This 25 × 5cm gas jar is ideal for use in KS3, GCSE, and A‑Level science lessons, particularly where larger volumes of gas need to be collected or demonstrated. Its taller design makes it especially useful for displacement experiments and visual demonstrations.

• Collecting gases using upward or downward displacement of air
• Observing gas properties such as density and combustion
• Demonstrating reactions involving oxygen, hydrogen, and carbon dioxide
• Supporting practical investigations into gas production
• Teaching safe handling of laboratory glassware

Durable, stable, and classroom‑ready, this Simax 25 × 5cm Glass Gas Jar is an essential resource for safe, effective, and engaging practical science teaching.