Labglass Round Bottom Flask – 50ml (Wide Neck, Borosilicate Glass)

This 50ml Wide Neck Round Bottom Flask is made from strong 3.3 borosilicate glass, offering excellent thermal and chemical resistance for school science activities. The wide neck design allows easier filling, cleaning, and access for inserting equipment.

Compliant with ISO 24450, this flask includes a durable beaded rim and is compatible with a variety of stopper sizes.

Key Features

• 50ml capacity
• Wide neck for easier access
• Made from 3.3 borosilicate glass
• Beaded rim for secure handling
• ISO 24450 compliant
• Compatible stoppers: Solid 29mm, 1‑hole 29mm, 2‑hole 29mm

Ideal for School Science Lessons & Prep Rooms

• Heating and boiling liquids
• Experiments requiring equipment insertion into the flask
• Suitable for introductory chemistry lessons
• Technician use for small‑volume reagent preparation

A practical and accessible wide‑neck flask ideal for classroom laboratory work.