Stir Bar

Stir Bar Magnetic Teflon  Stir Bar magnetic stirring bars have a hard, FDA approved, plastic covering that delivers 2.5 to 3 times the wear resistance of PTFE encapsulated magnetic stirring bars under conditions known to cause material breakdown. Ideal for granular solutions and extended stirring times Useful in pharmaceutical and Q/A laboratories ppt/ppb or other applications where sample contamination is a concern Octagon shape provides greater surface area than a rounded bar of similar size Molded-in pivot ring reduces friction and chattering; interrupted profile provides added turbulence for efficient stirring Can quickly be identified from other magnetic stirring bars by their distinctive purple coating