Labglass Conical Flask – 100ml, Narrow Neck (Borosilicate 3.3, ISO 1773)

This high‑quality 100ml Labglass Conical Flask (Erlenmeyer type) features a narrow neck and is manufactured from durable borosilicate 3.3 glass for excellent thermal and chemical resistance. Designed for clarity, strength, and reliability, it conforms fully to ISO 1773 standards, ensuring consistent dimensions and high laboratory performance.

Ideal for mixing, heating, titration, and storage of solutions, this conical flask is a versatile and essential piece of equipment for school laboratories, universities, and professional labs.

Key Features

• 100ml Erlenmeyer conical flask with narrow neck
• Made from borosilicate 3.3 glass for superior thermal and chemical resistance
• Conforms to ISO 1773 for quality and consistency
• Ideal for mixing, heating, swirling, and storage of liquids
• Durable, reusable, and suitable for repeated heating and cooling cycles
• Smooth, clear glass walls for easy observation

Compatible Rubber Stoppers

• 1188 – Solid Rubber Stopper, 21mm
• 1189 – 1‑Hole Rubber Stopper, 21mm
• 1491 – 2‑Hole Rubber Stopper, 21mm

Ideal for School Science Lessons

Perfect for KS3, GCSE, and A‑Level science, this 100ml conical flask supports a wide range of practical activities in chemistry and biology. It is particularly useful for:

• Titrations and acid‑base investigations
• Mixing and swirling solutions without risk of spills
• Heating liquids over a Bunsen burner or hot plate
• Culturing microorganisms in biology (with appropriate stopper)
• General solution preparation and safe storage

Robust, accurate, and classroom‑ready, the Labglass 100ml Narrow‑Neck Conical Flask is an essential item for any well‑equipped school science laboratory.