Visking Tubing – Size 2 (30 m Continuous Length)

This Visking Tubing (Size 2) is a high‑quality dialysis membrane ideal for demonstrating osmosis, diffusion, and selective permeability in biology and chemistry lessons. Supplied as a 30‑metre continuous length, it allows technicians to cut custom tube sizes to suit a wide range of practical setups.

With an inflated diameter of 14.3 mm and a flat width of 24–26 mm, this tubing is perfect for teacher demonstrations and student practicals involving model gut experiments, simulated dialysis procedures, and investigations into solute movement across semi‑permeable membranes.

Key Features

• 30 m continuous length of dialysis tubing
• Size 2
• Inflated diameter: 14.3 mm
• Flat width: 24–26 mm
• Flexible, strong, and easy to tie or clip
• Suitable for a wide range of diffusion and osmosis experiments
• Allows custom‑length preparation for class sets

Ideal for School Science Lessons

Perfect for KS3–KS5 biology and chemistry, this Visking tubing supports:

• Osmosis investigations
• “Model gut” activities simulating digestion and absorption
• Demonstrations of selective permeability
• Diffusion of sugars, salts, and other solutes
• Technician preparation for large or repeated practicals

Durable, versatile, and easy to use, this Size 2 Visking Tubing is an essential consumable for teaching core biological processes involving membranes and molecular transport.