Labglass Round Bottom Flask 100ml – Borosilicate Glass [2632]

The Labglass 100ml Round Bottom Flask is a high‑quality boiling flask manufactured from durable 3.3 borosilicate glass, designed for safe and efficient heating of liquids in educational and laboratory settings. Featuring a classic round bottom design with a narrow neck, this flask ensures even heat distribution and reduced thermal stress during experiments.

The flask is finished with a beaded rim, providing extra strength and secure fitting when used with rubber stoppers or clamps. Its robust, bubble‑free construction delivers excellent resistance to thermal shock and chemical attack. Manufactured to conform with ISO 1773, this round bottom flask offers consistent quality and reliable performance for routine laboratory use.

With a compact 100ml capacity, this flask is ideal for small‑scale heating, reflux experiments, and controlled chemical reactions commonly carried out in school and college laboratories.

Key Features

• 100ml capacity round bottom boiling flask
• Manufactured from durable 3.3 borosilicate glass
• Narrow neck for controlled reactions and fittings
• Beaded rim for added strength and secure stopper placement
• Excellent resistance to heat and thermal shock
• Bubble‑free glass construction for clarity and durability
• Conforms to ISO 1773 laboratory standards

Compatible Rubber Stoppers

• 1188 – Solid rubber stopper, 21mm
• 1189 – 1‑hole rubber stopper, 21mm
• 1491 – 2‑hole rubber stopper, 21mm

Ideal for School Science & Chemistry Lessons

The Labglass 100ml Round Bottom Flask is ideal for KS3, GCSE, and A‑Level chemistry lessons, particularly where controlled heating and even temperature distribution are required. Its compact size makes it suitable for both student practical work and teacher demonstrations.

• Heating liquids evenly over Bunsen burners or hot plates
• Carrying out reflux and boiling experiments
• Demonstrating principles of heat transfer
• Supporting small‑scale chemical reactions
• Teaching correct handling of round bottom glassware

Strong, precise, and manufactured to recognised international standards, the Labglass 100ml Round Bottom Flask is an essential laboratory item that supports safe, effective, and confident science teaching.