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  • Scienceware F371580010 Spinpak Octagonal Magnetic Stir Bar Assortment, with Restrainer
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Scienceware F371580010 Spinpak Octagonal Magnetic Stir Bar Assortment, with Restrainer


Price: $65.70 & FREE Shipping. Details
Only 3 left in stock (more on the way).
Ships from and sold by Amazon.com. Gift-wrap available.
  • Octagonal stir bars create more turbulence than round, cylindrical stir bars
  • Teflon (PTFE) stir bar casing is chemically inert, can be used with corrosive chemicals, and helps reduce friction and wear while spinning
  • Built-in pivot ring on the stir bars reduces vibration and wear during stirring
  • Stir bars have internal magnet made from alnico V, an alloy of aluminum, nickel, iron, and cobalt
  • Includes 10 stir bars and a restrainer for capturing the stir bar during pouring
2 new from $65.70

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$65.70 & FREE Shipping. Details Only 3 left in stock (more on the way). Ships from and sold by Amazon.com. Gift-wrap available.

Product Description

The Bel-Art Scienceware F371580010 Spinpak includes 10 octagonal magnetic stir bars of different colors and sizes, for a range of laboratory stirring applications, and a restrainer for capturing the stir bar during pouring. The octagonal shape creates more turbulence and a stronger vortex than a round, cylindrical shape or a polygonal shape. The bar's internal magnet is made from alnico V (an alloy of aluminum, nickel, iron, and cobalt). The magnet sits inside a Teflon (polytetrafluoroethylene, or PTFE) casing, which is chemically inert, can be used with corrosive chemicals, and helps reduce friction and wear while spinning. A built-in pivot ring on the stir bars minimizes contact between the bar and the container to help reduce vibration and wear during stirring. The Bel-Art Scienceware F371580010 Spinpak comes with a restrainer for capturing the stir bar during pouring. It can be used with stir bars up to 3" (80 mm) long. Red, white, blue, and yellow stir bars are included in the pack, for differentiating stir bars among stirring applications. The pack contains two each of the following sizes of stir bars: 0.5" x 0.125", 0.5" by 0.3125", 1" x 0.3125", 1.5" x 0.3125", and 2" x 0.3125" (L x OD, where L is the length, the horizontal distance from left to right, and OD is the outside diameter, or the circumference). The casing material is FDA approved for use in food, drug, and cosmetic applications.

Magnetic stir bars (sometimes called stirring bars, spin bars, or fleas) are used to stir a liquid or solution in biological, chemical, medical, and research laboratory applications. The stir bar is placed inside a container of liquid or solution that is seated on a magnetic stirrer (also called a magnetic mixer), which is a laboratory device that creates a rotating magnetic field using a rotating magnet or multiple stationary electromagnets. The rotating magnetic field causes the bar to spin, which stirs the liquid or solution. Stirring bars are offered in a variety of sizes and shapes, and they are encased in materials such as glass or plastic to help prevent contamination of the liquid or solution, to reduce friction, and to provide resistance to chemicals, abrasion, and heat. The bar may have a pivot ring or pivot point to minimize contact with the container, reduce friction, and improve its spinning. The size and shape of the container and the volume and viscosity of the liquid or solution to be stirred determine which stir bar shape, size, and casing will suit a particular application.

Bel-Art Products manufactures scientific products, including labware, testing equipment, and safety supplies, under the Bel-Art and Scienceware brands. The company, founded in 1946, is headquartered in Wayne, NJ.

What's in the Box>
  • (1) white octagonal stir bar, 0.5" x 0.125"
  • (1) white octagonal stir bar, 0.5" by 0.3125"
  • (1) white octagonal stir bar, 1" x 0.3125"
  • (1) white octagonal stir bar, 1.5" x 0.3125"
  • (1) white octagonal stir bar, 2" x 0.3125"
  • (1) red octagonal stir bar, 0.5" x 0.125"
  • (1) red octagonal stir bar, 0.5" by 0.3125"
  • (1) yellow octagonal stir bar, 1" x 0.3125"
  • (1) yellow octagonal stir bar, 2" x 0.3125"
  • (1) blue octagonal stir bar, 1.5" x 0.3125"
  • Restrainer

Product Information

Technical Details
Brand NameBel-Art Products
Item Weight4.8 ounces
Product Dimensions9.6 x 6.2 x 1.2 inches
Item model number371580010
Number of Items1
Manufacturer Part Number371580010
  
Additional Information
ASINB002VBW72A
Best Sellers Rank #416,030 in Office Products (See top 100)
Shipping Weight4.8 ounces (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First AvailableNovember 3, 2009
  
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Technical Details

  • Brand Name: Bel-Art Products
  • Part Number: 371580010
  • Number of Items: 1
  • Item Package Quantity: 1

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Scienceware F371580010 Spinpak Octagonal Magnetic Stir Bar Assortment, with Restrainer
This item: Scienceware F371580010 Spinpak Octagonal Magnetic Stir Bar Assortment, with Restrainer
Price: $65.70
Ships from and sold by Amazon.com