These magnetic stir bars come in various shapes and sizes for stirring liquids on magnetic stirrers or hotplate stirrers. The oval bars are ideal for efficient stirring in round-bottomed flasks. The central pivot ring on the pivoting stir bars ensures efficient spinning, even on curved or uneven bases. The micro, or flea, bars are designed for stirring small volumes in vessels such as vials, tubes, and gradient markers. The stir bar set includes a total of 22 stir bars: (2) 12mm L x 4.5mm Dia., (2) 25mm L x 6mm Dia., (2) 45mm L x 8mm Dia., and (2) 60mm L x 9.5mm Dia. pivot ring bars; (2) 20mm L x 10mm Dia., (2) 25mm L x 12mm Dia., (2) 35mm L x 16mm Dia., and (2) 50mm L x 20mm Dia. oval bars; (3) 7mm L x 2mm Dia. and (3) 10mm L x 3mm Dia. micro bars.
- Strong alloy magnet sheathed in pure white inert PTFE
- Resistant to virtually all chemical attack
- Easy to clean
- Packaged in polarity-aligned packs to ensure maximum coupling strength
- Max. temperature: 260°C
- Sold in full packages only
- Stir bar retrievers are sold separately