Labglass Volumetric Flask – 250ml (Class B, Borosilicate Glass)

This 250ml Class‑B Volumetric Flask is designed for preparing precise solution volumes during chemistry lessons and technician prep work. Made from durable 3.3 borosilicate glass, it provides reliable accuracy and excellent resistance to chemicals.

The single calibration mark ensures accurate filling, while the polypropylene stopper provides a secure seal. Fully compliant with ISO 1042.

Key Features

• 250ml capacity
• Class‑B certified accuracy
• White printed calibration mark
• Includes polypropylene stopper
• Borosilicate glass for durability
• ISO 1042 compliant

Ideal for School Science Lessons & Prep Rooms

• Preparing bulk standard solutions
• Titration and quantitative chemistry
• General KS3–A‑Level solution prep
• Technician resource preparation

A dependable volumetric flask suited to routine and advanced school science tasks.