Labglass Round Bottom Flask – 500ml (Borosilicate 3.3)

This high‑quality 500ml Labglass Round Bottom Flask is manufactured from durable 3.3 borosilicate glass, offering excellent heat resistance, chemical durability, and reliability for heating and boiling applications in school and professional laboratories. Featuring a narrow neck with beaded rim, the flask is ideal for use with clamps, condensers, and heating mantles.

Made to meet international laboratory standards, this round bottom flask conforms to ISO 1773, ensuring dependable performance and uniform construction for accurate scientific work.

Suitable rubber stoppers for the narrow neck (27mm): • 2742 – Solid | 2743 – 1 Hole | 2744 – 2 Hole

Key Features

• Manufactured from 3.3 borosilicate glass for superior thermal and chemical resistance
• 500ml capacity – ideal for heating, boiling, and distillation
• Narrow neck with durable beaded rim
• Bubble‑free, high‑clarity