A PLUS Jointed Expansion Adapter – S 19/26 to C 14/23 (ASTM‑Accredited Borosilicate Glass)

This high‑quality A PLUS Jointed Expansion Adapter is designed to connect a 19/26 socket (S) to a 14/23 cone (C), allowing seamless integration of apparatus with different joint sizes. Manufactured from premium 3.3 borosilicate glass, it offers excellent chemical resistance, thermal durability, and long‑lasting reliability in everyday laboratory use.

Part of a trusted ASTM accredited glassware range, this adapter provides exceptional value while remaining fully compatible with Quickfit components. Its precision‑ground joints ensure secure, leak‑free connections across a wide variety of scientific applications including distillation, heating, and reflux setups.

Key Features

• High‑grade 3.3 borosilicate glass for durability and heat resistance
• ASTM accredited for trusted laboratory quality
• Fully compatible with Quickfit glassware systems
• Adapts 19/26 socket joints to 14/23 cone joints
• Provides a secure, leak‑tight connection for a range of apparatus
• Ideal for distillation, reflux, and general chemistry setups
• A cost‑effective alternative to premium branded adapters

Ideal for School Science Lessons & Laboratory Use

Perfect for KS3, GCSE, and A‑Level chemistry, this expansion adapter supports a wide range of practical activities, helping students understand apparatus assembly, joint compatibility, distillation, and safe laboratory practice. Its reliable construction makes it an essential component for flexible school laboratory setups, including:

• Connecting glassware with different joint sizes for experiments
• Supporting distillation and reflux demonstrations
• Assembling gas‑tight apparatus for heating and separation
• Teaching students correct handling of ground‑glass joints
• Helping technicians build versatile laboratory systems with maximum compatibility

Reliable, affordable, and designed to professional laboratory standards, the A PLUS Jointed Expansion Adapter is a valuable addition to any school science department using jointed borosilicate glassware.