NdFeB magnet core provides strong magnetic force, while PTFE coating provides protection to most chemicals, which make it perfect for many applications in industry, scientific research, or your home lab.
Straight Type: 2 inch (50 mm). Good for common use.
Cross Type: 1.5 inch (38 mm). Providing more stability.
Great for stirring large volume.
Description
Stir bars are used together with a magnetic stirrer to mix solutions evenly. PTFE (Teflon) stir bars are non-toxic and have wide working temperature range. PTFE is also inert to most chemicals.
Material: NdFeB magnet (core), PTFE (coating).