Conical Flask 3.3 Borosilicate – 1000ml (Graduated, Narrow Neck)

The 1000ml Conical Flask, manufactured from durable 3.3 borosilicate glass, is a high‑capacity piece of laboratory glassware designed for reliable performance in school and educational laboratories. Featuring a narrow neck and clear graduation markings, this flask is ideal for mixing, heating, and temporarily storing larger volumes of liquids during practical science work.

With a generous 1000ml capacity and an approximate 34mm inner neck diameter, the flask supports controlled swirling and reduced splash risk. Please note that neck sizes may vary slightly, a common characteristic of high‑quality laboratory glassware. The robust borosilicate construction provides excellent resistance to heat and chemical attack, ensuring longevity and safety in regular classroom use.

Key Features

• Large 1000ml capacity conical (Erlenmeyer) flask
• Manufactured from 3.3 borosilicate glass
• Narrow neck design for safe swirling and mixing
• Approximate 34mm inner neck diameter (may vary)
• Clear graduation markings for volume estimation
• Excellent resistance to thermal shock and chemicals
• Ideal for heating, mixing, and preparing solutions
• Reusable, easy to clean, and durable
• Product code: 8418

Ideal for School Science Lessons

This 1000ml Conical Flask is particularly well suited to KS3, GCSE, and A‑Level science lessons where larger solution volumes are required for demonstrations and practical investigations. Its size and durability make it ideal for teacher‑led experiments as well as controlled student use.

• Preparing and heating large volumes of solutions
• Demonstrating exothermic and endothermic reactions
• Investigating reaction rates and mixing efficiency
• Supporting teacher demonstrations in chemistry lessons
• Developing understanding of safe handling of laboratory glassware

Strong, reliable, and designed for repeated classroom use, this 1000ml Borosilicate Conical Flask is an essential piece of science equipment, supporting safe, engaging, and effective practical learning in school laboratories.