Round Bottom Flask – 50ml, Joint Size 14/23 (Borosilicate 3.3)

This high‑quality 50ml Round Bottom Flask is manufactured from durable 3.3 borosilicate glass, providing outstanding thermal and chemical resistance for safe and effective use in school science laboratories. Designed with a precision‑ground 14/23 joint, it is fully compatible with standard laboratory condensers, adapters, and glassware assemblies.

Its round bottom design ensures even heating, making it ideal for experiments involving boiling, distillation, reflux, and chemical reactions. Strong, reliable, and built for repeated classroom use, this flask is an essential piece of glassware for practical chemistry.

Key Features

• Made from premium 3.3 borosilicate glass for superior heat and chemical resistance
• 50ml capacity – ideal for small‑scale laboratory experiments
• Standard 14/23 ground glass joint for compatibility with lab apparatus
• Excellent durability for heating and cooling cycles
• Suitable for distillation, reflux, mixing, and boiling
• Precision‑worked glass for consistent performance

Ideal for School Science Lessons & Practical Chemistry

Perfect for KS3, GCSE, and A‑Level chemistry, this 50ml round bottom flask supports a wide range of laboratory activities, including:

• Distillation demonstrations and separation of mixtures
• Reflux experiments using compatible condensers
• Heating chemicals safely and evenly
• Observing chemical reactions in controlled environments
• Exploring laboratory glassware setups and safe handling techniques

Compact, durable, and laboratory‑grade, this 50ml Round Bottom Flask is an essential addition to any school science department, providing reliable performance for everyday teaching and experimentation.