Simax Wide Neck Conical Flask – 250ml (Laboratory Glassware)

The Simax Wide Neck Conical Flask (250ml) is a robust and practical piece of laboratory glassware designed for easy filling, mixing, and handling of liquids and solids in educational science laboratories. Manufactured from high quality Simax laboratory glass, this flask provides excellent clarity and durability for everyday classroom and preparation room use.

Featuring a generously sized wide neck with an inner diameter of 50mm, this conical flask allows easy access for adding solids, powders, and liquids, as well as inserting instruments such as spatulas or thermometers. The classic conical (Erlenmeyer) shape enables safe swirling and mixing while reducing the risk of spills. With a practical 250ml capacity, it is ideal for medium‑scale experiments, solution preparation, and demonstrations.

The wide neck design also makes this flask particularly suitable for use with rubber stoppers, tubing, and simple experimental assemblies commonly used in school science lessons.

Key Features

• 250ml capacity for classroom and laboratory use
• Wide neck design for easy filling and cleaning
• Inner neck diameter: 50mm
• Classic conical (Erlenmeyer) shape for safe mixing
• Manufactured from clear, durable Simax laboratory glass
• Suitable for use with rubber stoppers and basic apparatus
• Supplied as 1 × 250ml wide neck conical flask

Ideal for School Science Lessons

Ideal for KS3, GCSE, and A Level science lessons, the Simax 250ml Wide Neck Conical Flask supports a wide range of practical activities across chemistry and biology.

• Mixing and swirling chemical solutions
• Adding solids and liquids easily through the wide neck opening
• Using rubber stoppers for reaction and gas collection setups
• Preparing solutions and reagents for experiments
• Routine use in school laboratories and science prep rooms

Durable, practical, and easy to handle, this Simax Wide Neck Conical Flask is a valuable addition to any school science laboratory, supporting safe, effective, and engaging practical learning.