Labglass Round Bottom Flask 1000ml – Borosilicate Glass [2635]

The Labglass 1000ml Round Bottom Flask is a high‑quality, large‑capacity boiling flask manufactured from durable 3.3 borosilicate glass. Designed for efficient and even heating, the round bottom profile ensures uniform heat distribution, making it ideal for boiling, reflux, and controlled chemical reactions in educational laboratories.

Featuring a narrow neck and a reinforced beaded rim, this flask provides secure fitting when used with stoppers, clamps, or condensers. Its bubble‑free construction offers excellent resistance to thermal shock and chemical attack. Manufactured to conform with ISO 1773, the flask delivers consistent quality and dependable performance for routine laboratory use.

With a generous 1000ml capacity, this round bottom flask is particularly well suited to larger‑scale reactions, solution preparation, and teacher‑led demonstrations in school and college science laboratories.

Key Features

• 1000ml 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, chemicals, and thermal shock
• Bubble‑free glass construction for clarity and durability
• Conforms to ISO 1773 laboratory standards

Compatible Rubber Stoppers

• 2745 – Solid rubber stopper, 38mm
• 2746 – 1‑hole rubber stopper, 38mm
• 2747 – 2‑hole rubber stopper, 38mm

Ideal for School Science & Chemistry Lessons

The Labglass 1000ml Round Bottom Flask is ideal for KS3, GCSE, and A‑Level chemistry lessons, where controlled heating and even temperature distribution are essential. Its large capacity makes it suitable for advanced practical work and class demonstrations.

• Boiling and heating liquids evenly
• Carrying out reflux and distillation experiments
• Preparing and heating larger solution volumes
• Demonstrating principles of heat transfer
• Teaching correct handling of round bottom glassware

Strong, reliable, and manufactured to recognised international standards, the Labglass 1000ml Round Bottom Flask is an essential item for safe, effective, and high‑quality science teaching in educational laboratories.