SP Bel-Art Spinbar Teflon Disposable Polygon Magnetic Stirring Bars; 12.7 x 3.2mm, White (Pack of 100) (F37112-0012) Made in USA

Size:1/2 x 1/8" (12.7 x 3.2 mm) Size:1/2 x 1/8" (12.7 x 3.2 mm) The product is for single-use applications where efficiency and cross-contamination are concerns. Research, industrial and healthcare professionals rely on SP Scienceware for their sample handling needs. Sold worldwide, Bel-Art and H-B Instrument brand laboratory supplies include over 5,000 items from safety wash bottles to fume hoods, thermometers, racks, desiccators, hydrometers, ice buckets, scoops and spoons. Custom calibration services, plastic molding, specialty coatings and wire manufacturing are also available. Wilmad-LabGlass brand laboratory glassware complements Bel-Art and H-B Instrument with over 7000 items including NMR and EPR consumables and specialty glassware, as well as custom fabrication for individual glassware, glass repair services and OEM glass parts. SP Scienceware is a division of Warminster, PA based SP Industries which also include SP Scientific laboratory, thermal management, and pharmaceutical production equipment and SP Ableware aids for daily living.

• Polygonal shape is smoother than an octagonal shape and creates more turbulence and a stronger vortex than a round, cylindrical shape
• Teflon (PTFE) casing is chemically inert, can be used with corrosive chemicals, and helps reduce friction and wear while spinning
• Smooth surface provides quicker cleanup and less risk of cross-contamination than bars with pivot rings and allows the bar to spin on the bottom of the container to disperse light sediment and air bubbles
• Internal magnet made from alnico V, an alloy of aluminum, nickel, iron, and cobalt
• Single-use stir bar can be disposed of after working with hazardous substances or when contamination is a concern