A PLUS 3‑Neck Round Bottom Jointed Flask – 100ml (Centre 19/26, Angled 14/23 Joints)

The A PLUS 3‑Neck Round Bottom Flask, 100ml is a high‑quality yet budget‑friendly piece of laboratory glassware manufactured from ASTM‑accredited 3.3 borosilicate glass. Designed for both durability and precision, it provides excellent resistance to heat, chemical attack, and thermal shock. Fully compatible with Quickfit‑style jointed components, this flask ensures seamless integration into existing laboratory setups.

This model features a central 19/26 joint and two angled 14/23 side joints, offering maximum flexibility for a variety of chemistry experiments. Its classic round bottom design delivers uniform heating, making it ideal for reflux, distillation, and small‑scale synthesis work. The three‑neck configuration allows convenient access for thermometers, condensers, funnels, and gas inlets during multi‑step procedures.

Key Features

• 100ml round bottom flask with 3 jointed necks
• Centre joint 19/26 with two angled 14/23 joints
• Made from ASTM‑accredited 3.3 borosilicate glass
• Excellent thermal and chemical resistance
• Fully compatible with Quickfit‑type glassware
• Ideal for small‑scale reflux, distillation, and synthesis
• Round bottom ensures uniform heat distribution

Ideal for School Science Lessons & Advanced Chemistry Practicals

This compact and versatile 3‑neck flask is excellent for GCSE and A‑Level chemistry, enabling students to safely perform controlled experiments and explore more complex reaction setups. Its mixed‑joint configuration allows teachers and technicians to demonstrate the use of a range of jointed glass components.

• Reflux procedures with condensers attached to different joints
• Micro‑scale distillation and heating experiments
• Organic synthesis where precise reagent addition is required
• Gas inlet/outlet demonstrations utilising the angled necks
• Advanced glassware assembly practice for students

Durable, reliable, and perfectly suited to school laboratory environments, the A PLUS 3‑Neck Round Bottom Flask supports hands‑on, high‑quality chemistry teaching.