PTFE Magnetic Stir Bars

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, and the wide range of cylindrical bar sizes is excellent for a broad array of flasks, cylinders, beakers, tubes, and more. 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
Item # Description Catalog Pg. Price Add to Cart
20mm L x 10mm Dia. PTFE Oval Stir Bar - Package of 2
Item 90656
19.48/Pkg. of 2
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P-145
19.48/Pkg. of 2
25mm L x 12mm Dia. PTFE Oval Stir Bar - Package of 2
Item 90657
21.63/Pkg. of 2
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P-145
21.63/Pkg. of 2
30mm L x 16mm Dia. PTFE Oval Stir Bar - Package of 2
Item 90658
31.25/Pkg. of 2
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P-145
31.25/Pkg. of 2
35mm L x 16mm Dia. PTFE Oval Stir Bar - Package of 2
Item 90659
34.53/Pkg. of 2
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P-145
34.53/Pkg. of 2
40mm L x 20mm Dia. PTFE Oval Stir Bar - Package of 2
Item 90660
44.27/Pkg. of 2
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P-145
44.27/Pkg. of 2
50mm L x 20mm Dia. PTFE Oval Stir Bar - Package of 2
Item 90661
56.95/Pkg. of 2
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P-145
56.95/Pkg. of 2
6mm L x 3mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90662
13.14/Pkg. of 2
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P-145
13.14/Pkg. of 2
8mm L x 3mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90663
13.15/Pkg. of 2
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P-145
13.15/Pkg. of 2
12mm L x 4.5mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90664
13.14/Pkg. of 2
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P-145
13.14/Pkg. of 2
15mm L x 4.5mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90665
13.14/Pkg. of 2
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P-145
13.14/Pkg. of 2
20mm L x 6mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90666
14.15/Pkg. of 2
Save 5% when you buy 4+
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P-145
14.15/Pkg. of 2
25mm L x 6mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90667
15.17/Pkg. of 2
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P-145
15.17/Pkg. of 2
30mm L x 6mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90668
16.42/Pkg. of 2
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P-145
16.42/Pkg. of 2
35mm L x 6mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90669
17.5/Pkg. of 2
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P-145
17.5/Pkg. of 2
40mm L x 8mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90670
18.68/Pkg. of 2
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P-145
18.68/Pkg. of 2
45mm L x 8mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90671
23.55/Pkg. of 2
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P-145
23.55/Pkg. of 2
50mm L x 8mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90672
25.36/Pkg. of 2
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P-145
25.36/Pkg. of 2
60mm L x 9mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90673
32.72/Pkg. of 2
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P-145
32.72/Pkg. of 2
70mm L x 9.5mm Dia. PTFE Cylindrical Stir Bar - Package of 2
Item 90674
38.72/Pkg. of 2
Save 5% when you buy 4+
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P-145
38.72/Pkg. of 2
12mm L x 4.5mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90675
13.7/Pkg. of 2
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P-145
13.7/Pkg. of 2
15mm L x 4.5mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90676
13.7/Pkg. of 2
Save 5% when you buy 4+
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P-145
13.7/Pkg. of 2
20mm L x 6mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90677
14.49/Pkg. of 2
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P-145
14.49/Pkg. of 2
25mm L x 6mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90678
17.21/Pkg. of 2
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P-145
17.21/Pkg. of 2
35mm L x 6mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90679
18.46/Pkg. of 2
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P-145
18.46/Pkg. of 2
40mm L x 8mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90680
22.65/Pkg. of 2
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P-145
22.65/Pkg. of 2
45mm L x 8mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90681
23.55/Pkg. of 2
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P-145
23.55/Pkg. of 2
50mm L x 8mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90682
25.82/Pkg. of 2
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P-145
25.82/Pkg. of 2
60mm L x 9.5mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90683
28.19/Pkg. of 2
Save 5% when you buy 4+
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Save 15% when you buy 24+
P-145
28.19/Pkg. of 2
70mm L x 9.5mm Dia. PTFE Pivot Ring Stir Bar - Package of 2
Item 90684
34.53/Pkg. of 2
Save 5% when you buy 4+
Save 10% when you buy 8+
Save 15% when you buy 24+
P-145
34.53/Pkg. of 2
7mm L x 2mm Dia. PTFE Micro Stir Bar - Package of 2
Item 90685
11.89/Pkg. of 2
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P-145
11.89/Pkg. of 2
10mm L x 3mm Dia. PTFE Micro Stir Bar - Package of 2
Item 90686
12.62/Pkg. of 2
Save 5% when you buy 4+
Save 10% when you buy 8+
Save 15% when you buy 24+
P-145
12.62/Pkg. of 2
13mm L x 3mm Dia. PTFE Micro Stir Bar - Package of 2
Item 90687
13.14/Pkg. of 2
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P-145
13.14/Pkg. of 2
PTFE Stir Bar Set with Oval, Pivot Ring & Micro Stir Bars - Package of 22
Item 90688
243.35/Pkg. of 22
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P-145
243.35/Pkg. of 22