A PLUS Jointed Round‑Bottom Flask – 100ml, 14/23 Joint

The A PLUS Jointed Round‑Bottom Flask (100ml, 14/23) is part of a high‑quality yet excellent‑value range of ASTM‑accredited 3.3 borosilicate glassware. Fully equivalent to and compatible with Quickfit® components, this flask provides outstanding durability, thermal resistance, and chemical stability for reliable laboratory use.

Its classic round‑bottom design allows for efficient and even heating, making it ideal for refluxing, distillation, boiling, and synthetic chemistry. The precision‑ground 14/23 joint offers a secure, leak‑free connection to other jointed glassware, ensuring safe and consistent operation in both educational and professional environments.

Key Features

• 100ml round‑bottom flask with 14/23 ground‑glass joint
• Made from ASTM‑accredited 3.3 borosilicate glass for superior heat and chemical resistance
• Fully compatible with Quickfit® jointed glassware systems
• Ideal for reflux, distillation, heating, and small‑scale synthesis
• Clear, robust, laboratory‑grade construction designed for repeated use

Ideal for School Science Lessons

Perfect for GCSE, A‑Level, IB, and undergraduate chemistry, this jointed flask is essential for teaching core practical techniques. Its 100ml capacity is ideal for small‑scale reactions, enabling students to carry out accurate experiments while minimising chemical waste.

• Used for reflux reactions in organic chemistry courses
• Suitable for constructing distillation setups with jointed glassware
• Ideal for heating and mixing moderate micro‑scale quantities
• Supports technician‑prepared experiments and demonstrations
• Helps students practise professional laboratory handling skills

Reliable, durable, and excellent value, the A PLUS Jointed Round‑Bottom Flask 100ml (14/23) is a must‑have component for any school or laboratory glassware collection.