Simax Wide Neck Conical Flask – 500ml (3.3 Borosilicate, ISO 1773)

The Simax Wide Neck Conical Flask (500ml) is a high quality Erlenmeyer flask designed for durability, ease of use, and versatility in school science laboratories and preparation rooms. Manufactured from premium 3.3 borosilicate glass, this flask conforms to ISO 1773, ensuring consistent quality, safety, and reliable performance in educational laboratory settings.

Featuring a wide neck with an inner diameter of 50mm, this conical flask allows easy access for adding solids, powders, and liquids, as well as inserting laboratory tools such as spatulas or thermometers. The classic conical (Erlenmeyer) shape supports safe swirling and mixing while minimising splashing. With a generous 500ml capacity, it is ideal for medium to larger scale experiments, solution preparation, and classroom demonstrations.

The wide neck design also makes this flask particularly well suited for use with rubber stoppers, tubing, and basic reaction assemblies commonly used in school science lessons.

Key Features

• 500ml capacity for medium to larger volume experiments
• Manufactured from 3.3 borosilicate glass
• Conforms to ISO 1773 laboratory standards
• Wide neck design for easy filling and cleaning
• Inner neck diameter: 50mm
• Classic conical (Erlenmeyer) shape for safe mixing
• Excellent heat and chemical resistance
• Suitable for use with rubber stoppers and basic apparatus
• Supplied as 1 × 500ml wide neck conical flask

Ideal for School Science Lessons

Ideal for KS3, GCSE, and A Level science lessons, the Simax 500ml 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 via the wide neck opening
• Using rubber stoppers for reaction and gas collection experiments
• Preparing solutions and reagents for practical lessons
• Routine use in school laboratories and science prep rooms

Durable, easy to handle, and manufactured to recognised standards, this Simax Wide Neck Conical Flask is an essential piece of laboratory glassware that supports safe, effective, and engaging practical science teaching in educational environments.