A PLUS Jointed Round‑Bottom Flask – 100ml, 24/29 Joint

The A PLUS Jointed Round‑Bottom Flask (100ml, 24/29) belongs to a high‑quality yet cost‑effective range of ASTM‑accredited 3.3 borosilicate glassware. Fully equivalent to and compatible with Quickfit®, this flask is designed for outstanding durability, chemical resistance, and heat stability—ideal for daily laboratory use.

The classic round‑bottom shape promotes even heat distribution and reduces thermal stress, making this flask perfect for refluxing, distillation, boiling, and small‑scale synthesis. Its precision‑ground 24/29 joint ensures a secure, leak‑free fit in any jointed glassware assembly, providing reliable performance for both teaching and research environments.

Key Features

• 100ml round‑bottom flask with 24/29 ground‑glass joint
• Made from 3.3 borosilicate glass, offering excellent thermal and chemical resistance
• ASTM accredited for high laboratory standards
• Fully compatible with Quickfit® jointed glassware
• Ideal for reflux, distillation, heating, and synthetic chemistry
• Durable, clear, laboratory‑grade glass suitable for repeated use

Ideal for School Science Lessons

This 100ml round‑bottom flask is perfect for GCSE, A‑Level, IB, and undergraduate chemistry, helping students practise genuine laboratory techniques using professional‑standard glassware. Its versatile capacity makes it suitable for a wide range of curriculum‑linked activities, while reducing chemical use compared to larger flasks.

• Conducting reflux reactions in organic chemistry
• Assembling distillation apparatus with jointed components
• Heating and mixing small to medium reaction volumes
• Supporting technician‑prepared class demonstrations
• Teaching professional glassware handling and assembly skills

Robust, reliable, and great value, the A PLUS Jointed Round‑Bottom Flask 100ml (24/29) is an essential addition to any school or laboratory glassware collection.