Click for larger image and other views Image is representative of the product family. Select individual products in the table below for more specific images and product specifications

How can we improve our images or Product Specifications?

Dynalon PTFE Beaker Magnetic Stir Bar

Be the first to review this item

Product Specifications
Material Type
Polytetrafluoroethylene (PTFE)
UNSPSC Code
41121802
Brand Name
Dynalon

This item is no longer available

These items ship for FREE with 2-Day Shipping on orders over $50. (Details)

Want it delivered on Fri, Oct 31? Order in-stock items in the next 6 hrs 22 mins and choose One-Day Shipping at checkout.

  • Share
Currently showing 1-3 of 3
Size name ASIN

The Amazon Standard Item Number (ASIN) uniquely identifies
the item in the AmazonSupply.com (and Amazon) catalog.

Available

If an item is currently out of stock, but has an estimated lead time, you can place an order now and we will ship it as soon as it is available.
You can also order more than we currently have in stock.
Read more about back orders in our help section.

Price  
All      
Currently showing 1-3 of 3
44mm Diameter, Beaker capacity: 100mL B0046A90G0 yes $25.54 Buy Options
62mm Diameter, Beaker capacity: 250mL B0046A90HE Usually ships in 2 to 4 weeks $28.93 Buy Options
70mm Diameter, Beaker capacity: 400-500mL B0046A90K6 Usually ships in 2 to 4 weeks $32.39 Buy Options

Key Features

  • Star shape with four rectangular arms and a solid, flat circular center (also called a stir bar)
  • Fills the inside diameter of a beaker to create a vortex to the bottom of the container
  • PTFE casing is chemically inert, can be used with corrosive chemicals, and helps reduce friction and wear while spinning
  • For stirring applications at slow to moderate speeds
  • Internal magnet made from alnico beaker V, an alloy of aluminum, nickel, iron, and cobalt

Product Description

The Dynalon beaker stir bar has a white PTFE casing and an internal magnet made from alnico V (an alloy of aluminum, nickel, iron, and cobalt) for laboratory stirring applications. The beaker stir bar has four rectangular arms and a solid, flat circular center (also called a star shape), and it fills the inside diameter of a beaker to create a vortex to the bottom of the container at slow or moderate speeds. The magnet sits inside a polytetrafluoroethylene (PTFE) casing, which is chemically inert, can be used with corrosive chemicals, and helps reduce friction and wear while spinning. The bar is for stirring applications at slow to moderate speeds.

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.

Dynalon manufactures plastic labware and supplies under brands such as Cowie, Kartell, and Sterilin. The company, founded in 1957, is headquartered in Rochester, NY.

How can we improve our Product Description?

Customer Reviews

There are no customer reviews yet.

Be the first to review this item

Go to the HomePage

Order by Phone
M-F 8am-8pm ET, Sat-Sun 8am-5pm ET 800-220-4242

My Account| Returns| Help

Website Feedback| Contact Us| Sell on AmazonSupply| Become an Affiliate

Privacy Notice| Conditions of Use

Follow Us 

© 2014 Amazon.com, Inc. and its affiliates.