PTFE Stir Bars, Cylindrical (6–70 mm)

Cylindrical PTFE‑coated magnetic stir bars for use with hot plates and stirrers. Chemically resistant, low‑friction, and ideal for solution mixing in 503A pharmacies and QC labs. Available in 6–70 mm lengths.

Supplied in polarity-aligned packs, these magnetic stirring bars ensure maximum magnetic coupling strength for smooth, uninterrupted stirring—even at higher speeds.

Built to withstand virtually all chemical attacks and temperatures up to 260°C, these PTFE magnetic stir bars are the ideal choice for chemical laboratories, research facilities, and industrial environments.

Key Features:

• Manufactured from strong alloy magnets sheathed in pure white, inert PTFE
• Cylindrical design ideal for uniform stirring of liquids
• Compatible with magnetic stirrers and hotplate stirrers
• Supplied in polarity-aligned packs for maximum coupling efficiency
• Resistant to most chemicals and stable at temperatures up to 260°C
• Perfect for compounding pharmacies and other labs