A PLUS Jointed Round‑Bottom Flask – 50ml, 24/29 Joint

The A PLUS Jointed Round‑Bottom Flask (50ml, 24/29) is a high‑quality yet cost‑effective piece of ASTM‑accredited 3.3 borosilicate glassware. Designed for superb thermal and chemical resistance, this flask delivers dependable performance in both educational and laboratory settings. Fully equivalent to and compatible with Quickfit® components, it provides seamless integration into standard jointed glassware systems.

The traditional round‑bottom design ensures even heating, reduced thermal stress, and efficient mixing—making it ideal for refluxing, distillation, heating, and small‑scale synthesis. The precision‑ground 24/29 joint offers a secure and leak‑free fit, supporting safe and reliable operation during practical chemistry work.

Key Features

• 50ml round‑bottom flask with 24/29 joint
• Made from ASTM‑accredited 3.3 borosilicate glass for maximum durability
• Fully compatible with Quickfit® glassware systems
• Excellent resistance to heat and chemical corrosion
• Ideal for reflux, distillation, heating, and micro‑scale chemical synthesis
• High‑clarity, laboratory‑grade construction designed for long‑term use

Ideal for School Science Lessons

This jointed round‑bottom flask is well‑suited to GCSE, A‑Level, IB, and undergraduate chemistry. Its 50ml capacity allows for efficient small‑scale experimentation, reducing chemical waste while enabling accurate and repeatable practical work. It fits into a wide range of jointed apparatus, making it a versatile tool for technicians and teachers.

• Conducting reflux reactions in organic chemistry
• Setting up distillation assemblies with jointed components
• Heating and mixing small quantities of reactants safely
• Supporting technician‑prepared demonstrations and class practicals
• Teaching essential laboratory glassware handling skills

Durable, affordable, and fully compatible with standard laboratory equipment, the A PLUS Jointed Round‑Bottom Flask 50ml (24/29) is an excellent addition to any school or professional laboratory.