- Shipping Weight: 0.2 ounces (View shipping rates and policies)
- ASIN: B015T1608U
- Item model number: 371101218
- Average Customer Review: 227 customer reviews
Amazon Best Sellers Rank:
#348,190 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
- #194 in Industrial & Scientific > Lab & Scientific Products > Lab Instruments & Equipment > Mixing & Blending Equipment > Stirrers, Mixers & Accessories > Magnetic Stir Bars
- #355 in Industrial & Scientific > Lab & Scientific Products > Lab Instruments & Equipment > Mixing & Blending Equipment > Stirrers, Mixers & Accessories > Magnetic Stirrers
Bel-Art F37110-1218 Spinbar Teflon Octagon Magnetic Stirring Bar; 12.7 x 3.2mm, White
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- Octagonal shape creates more turbulence and a stronger vortex than a round, cylindrical shape or a polygonal 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
- Measures 0.5 by 0.125"
|Number of Items||1|
|Size||1/2 x 1/8" (12.7 x 3.2mm)|
Specification for this product family
|Brand Name||SP Scienceware|
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Octagon magnetic stirring bar has interrupted profile providing greater surface area and added turbulence when compared to the smooth surface of cylindrical bars. Coated in white PTFE. Dimensions: 12.7 x 3.2mm (1/2 x 1/8").
Item Length String: 0.5 Inches | Item Diameter String: 0.125 Inches | Number of Items: 1
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The bar certainly gets the starter going quickly but as others have noted, the center rivet makes a clinking sound that will go on for as long as you have the stir plate on. I am not sure if this design had anything to do with the nice vortex I got with my stir plate on the lowest speed, but it certainly does make the noise people wrote about. It doesn't bug me but I will likely find a replacement just in case I lose this one and compare the two. I can't knock off a star just because I am unsure of something.
My stir plate is variable speed because my computer fan (80mm) is 6v and my power source is 9v allowing me to change speeds using a rheostat.