Category Archives: Stir Bars

TWO x 1″ PTFE Magnetic Stir Bars – $1.99 + Free Shipping

2pcs 1 inch B25 magnetic stirrer bar stir mixer bars PTFE lab spin spinner New

2pcs 1 inch B25 magnetic stirrer bar stir mixer bars PTFE lab spin spinner New

More Info

From the product description, check product page for current description, price and availability:

Name: PTFE stirring bar
Material: PTFE
Model: B25
Quantity: 2pcs
Color: White
Size: Approx.7x25mm / 0.3 inch x 1 inch (Width×Length)
Features:

High temperature: Using operating temperature up to 250 ℃
Corrosion resistance: for most chemicals and solvents, showing an inert, resistant to acid and alkali, water and various organic solvents
High Lubrication: solid material lowest coefficient of friction
Low temperature: has good mechanical toughness, even when the temperature dropped to -196 ℃, but also to maintain a 5% elongation
Not adhere to: a solid material minimum surface tension, does not adhere to any substance

Included in the Package:  2 pieces PTFE Magnetic Stirrer Bar

 

Use these in combination with an Erlenmeyer Flask and Stir Plate to make a yeast starter.  A stir plate… keeps yeast in constant contact with nutrients, encourages CO2 to off gas and continuously incorporates oxygen all of that means higher cell counts.

As if this posting, this is eBay offering is selling for just $12.98. Shipping is also free to most US addresses.  Prices, shipping and availability can change quickly. Please note that product prices and availability are subject to change. Prices and availability were accurate at the time this this post was published; however, they may differ from those you see when you visit the product page. Check the product page for current price, description and availability.

2pcs 1 inch B25 magnetic stirrer bar stir mixer bars PTFE lab spin spinner New

Related: Yeast: The Practical Guide to Beer Fermentation & Best Sellers in Lab Erlenmeyers – via Amazon | StirStarter Stir Plate | Yeast Starters and Fermentation Resource Page

More: Recent Great Deals

Great Deal On – StirStarter Stir Plate

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SEVEN x INTLLAB PTFE Stir Bars [Yeast Starters] – $7.80 – $1.11 Each + free prime ship

INTLLAB 7pcs/Pack Mixed Size PTFE Magnetic Stirrer Mixer Stir Bars Type-C


From the product description, check product page for current description, price and availability:

  • CHEMICAL RESISTANT – Teflon PTFE material can be used with corrosive chemicals, including acid and base
  • POWERFUL – Teflon (PTFE) casing helps reduce friction and wear while spinning
  • EASY USE – Place inside a container of liquid that is seated on a magnetic stirrer
  • PORTABLE FOR WIDE USE: perfect for stir a liquid or solution in scientific research, industry, agriculture, health and medicine, homebrew, etc

Use these in combination with an Erlenmeyer Flask and Stir Plate to make a yeast starter.  A stir plate… keeps yeast in constant contact with nutrients, encourages CO2 to off gas and continuously incorporates oxygen all of that means higher cell counts.

3/13/19 12 AM Central: These 7 stir bars are selling for just $7.80. Shipping is also free to many US addresses with Prime Membership [Try Prime for Free] or a qualifying order. Prices, shipping and availability can change quickly. Please note that product prices and availability are subject to change. Prices and availability were accurate at the time this post was published; however, they may differ from those you see when you visit Amazon. Check the product page for current price, description and availability. Also: Recent Amazon Finds and Amazon Fillers Resource Page 

INTLLAB 7pcs/Pack Mixed Size PTFE Magnetic Stirrer Mixer Stir Bars Type-C


Related: Yeast: The Practical Guide to Beer Fermentation & Best Sellers in Lab Erlenmeyers – via Amazon | StirStarter Stir Plate | Yeast Starters and Fermentation Resource Page

More: Recent Amazon Finds


10 x [25 mm x 7 mm] Magnetic Stir Bars

laboratory Magnetic Stir Bars PTFE Magnetic Stirrer Mixer Stir Bars Stiring rod (diameter 7mm,length 25mm) Spinbar Stirring, 10 Pcs

25 mm (about .98″) by 7mm  Magnetic Stir Bars


From the product description, check product page for current description, price and availability:

  • Size: 7mm * 25mm
  • Shape: Cylindrical With Ring Shape
  • High temperature: up to 250 ¡æ
  • Quantity£º10
  • Material PTFE (Polytetrafluoroethylene)

Use this in combination with an Erlenmeyer Flask and Stir Plate to make a yeast starter.  A stir plate… keeps yeast in constant contact with nutrients, encourages CO2 to off gas and continuously incorporates oxygen all of that means higher cell counts.

laboratory Magnetic Stir Bars PTFE Magnetic Stirrer Mixer Stir Bars Stiring rod (diameter 7mm,length 25mm) Spinbar Stirring, 10 Pcs


Related: Yeast: The Practical Guide to Beer Fermentation & Best Sellers in Lab Erlenmeyers – via Amazon | StirStarter Stir Plate | Yeast Starters and Fermentation Resource Page

More: Recent Amazon Finds


10 x [25 mm x 7 mm] Magnetic Stir Bars

laboratory Magnetic Stir Bars PTFE Magnetic Stirrer Mixer Stir Bars Stiring rod (diameter 7mm,length 25mm) Spinbar Stirring, 10 Pcs

25 mm (about .98″) by 7mm  Magnetic Stir Bars


From the product description, check product page for current description, price and availability:

  • Size: 7mm * 25mm
  • Shape: Cylindrical With Ring Shape
  • High temperature: up to 250 ¡æ
  • Quantity£º10
  • Material PTFE (Polytetrafluoroethylene)

Use this in combination with an Erlenmeyer Flask and Stir Plate to make a yeast starter.  A stir plate… keeps yeast in constant contact with nutrients, encourages CO2 to off gas and continuously incorporates oxygen all of that means higher cell counts.

laboratory Magnetic Stir Bars PTFE Magnetic Stirrer Mixer Stir Bars Stiring rod (diameter 7mm,length 25mm) Spinbar Stirring, 10 Pcs


Related: Yeast: The Practical Guide to Beer Fermentation & Best Sellers in Lab Erlenmeyers – via Amazon | StirStarter Stir Plate | Yeast Starters and Fermentation Resource Page

More: Recent Amazon Finds


25 mm x 8 mm Stir Bar

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25 mm (about .98″) by 8 mm Teflon Magnetic Stir Bar.

Use this in combination with an Erlenmeyer Flask and Stir Plate to make a yeast starter.  A stir plate… keeps yeast in constant contact with nutrients, encourages CO2 to off gas and continuously incorporates oxygen all of that means higher cell counts.

Bel-Art F37120-0025 Spinbar Teflon Polygon Magnetic Stirring Bar; 25 x 8mm, White, without Pivot Ring


Also Consider: StirStarter Stir Plate | Yeast Starters and Fermentation Resources

More: Recent Amazon Finds


25 mm x 8 mm Stir Bar

61ocoocnw-l-_sl1500_

25 mm (about .98″) by 8 mm Teflon Magnetic Stir Bar.

Use this in combination with an Erlenmeyer Flask and Stir Plate to make a yeast starter.  A stir plate… keeps yeast in constant contact with nutrients, encourages CO2 to off gas and continuously incorporates oxygen all of that means higher cell counts.

Bel-Art F37120-0025 Spinbar Teflon Polygon Magnetic Stirring Bar; 25 x 8mm, White, without Pivot Ring


Also Consider: StirStarter Stir Plate | Yeast Starters and Fermentation Resources

More: Recent Amazon Finds


7 Stir Bars [various sizes – 10mm to 35mm long]

7 PTFE Stirs bars ranging from 10mm to 35mm.

Use these in combination with an Erlenmeyer Flask and Stir Plate to make a yeast starter.  A stir plate… keeps yeast in constant contact with nutrients, encourages CO2 to off gas and continuously incorporates oxygen.  All of that means higher cell counts.

7pcs PTFE magnetic stirrer mixer stir bar White Color


Related: Yeast: The Practical Guide to Beer Fermentation & Best Sellers in Lab Erlenmeyers – via Amazon | StirStarter Stir Plate | Yeast Starters and Fermentation Resource Page

More: Recent Amazon Finds


SIX x Bel-Art Spinpak Stir Bars – assorted sizes

Bel-Art Spinpak Teflon Octagon Magnetic Stirring Bar Assortment (Pack of 6) (F37160-0000)

6 Pack of PTFE Stir Bars by Bel-Art


From the product description, check product page for current description, price and availability:

  • 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
  • Built-in pivot ring helps reduce vibration and wear during stirring
  • Internal magnet made from alnico V, an alloy of aluminum, nickel, iron, and cobalt
  • Contains six stir bars, two each in the following sizes: 1 x 0.3125″ (25.4 x 8 mm), 1.5 x 0.3125″ (38.1 x 8 mm), 2 x 0.3125″ (50.8 x 8 mm)

Use this in combination with an Erlenmeyer Flask and Stir Plate to make a yeast starter.  A stir plate helps to keep yeast in constant contact with nutrients, encourages CO2 to off gas and continuously incorporates oxygen.  All of that means higher cell counts.

Bel-Art Scienceware F371600000 Teflon (PTFE), Octagonal Spinpak Magnetic Stir Bar Assortment, with Pivot Ring (Pack of 6)


Related: Yeast: The Practical Guide to Beer Fermentation & Best Sellers in Lab Erlenmeyers – via Amazon | StirStarter Stir Plate | Yeast Starters and Fermentation Resource Page

More: Recent Amazon Finds

Great Deal On – StirStarter Stir Plate

Bel-Art Spinbar Teflon Octagon Magnetic Stirring Bar – 25.4 x 8mm

Bel-Art Spinbar Teflon Octagon Magnetic Stirring Bar; 25.4 x 8mm, White (F37110-0001)

Bel-Art Spinbar Teflon Octagon Magnetic Stirring Bar; 25.4 x 8mm, White (F37110-0001)


From the product description, check product page for current description, price and availability:

  • 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
  • Built-in pivot ring helps reduce vibration and wear during stirring
  • Internal magnet made from alnico V, an alloy of aluminum, nickel, iron, and cobalt
  • Casing material is FDA approved for use in food, drug, and cosmetic applications

Use along with an Erlenmeyer Flask and Stir Plate to do Stir Plate Yeast Starters.

Why a Stir Plate? The constant motion of a stir plate integrates oxygen, puts yeast in constant contact with nutrients, relieves built up CO2 and generally helps yeast to grow more rapidly.  That also means smaller starters.

Bel-Art Spinbar Teflon Octagon Magnetic Stirring Bar; 25.4 x 8mm, White (F37110-0001)


Related: Yeast: The Practical Guide to Beer Fermentation & Best Sellers in Lab Erlenmeyers – via Amazon | StirStarter Stir Plate | Yeast Starters and Fermentation Resource Page

More: Recent Amazon Finds

25 mm x 8 mm Stir Bar

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25 mm (about .98″) by 8 mm Teflon Magnetic Stir Bar.

Use this in combination with an Erlenmeyer Flask and Stir Plate to make a yeast starter.  A stir plate… keeps yeast in constant contact with nutrients, encourages CO2 to off gas and continuously incorporates oxygen all of that means higher cell counts.

Bel-Art F37120-0025 Spinbar Teflon Polygon Magnetic Stirring Bar; 25 x 8mm, White, without Pivot Ring


Also Consider: StirStarter Stir Plate | Yeast Starters and Fermentation Resources

More: Recent Amazon Finds