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PTFE Magnetic Stirrer Mixer Stir Bar, White Color, Stir Rod Magnetic, Laboratory Bar, Stir Plate Bar, Stir Plate Magnet Stick (8 Pieces,30 mm/ 1.18 Inch)

4.7 4.7 out of 5 stars 1,264 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice

$9.99 $1.25 per Count
FREE International Returns
No Import Fees Deposit & $9.05 Shipping to Germany Details

Shipping & Fee Details

Price $9.99
AmazonGlobal Shipping $9.05
Estimated Import Fees Deposit $0.00
Total $19.04

8
30 mm/ 1.18 Inch
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Purchase options and add-ons

Material Polytetrafluoroethylene
Brand Weewooday
Product Dimensions 0.31"L x 0.31"W x 1.18"Th
Color white
Shape Cylindrical

About this item

  • Features: magnetic stir bar can resist high temperatures, corrosion, abrasion and high rotational forces, and has the properties of fine workmanship, no impurities and burrs on the surface, stable speed and no deviation
  • Quality material: PTFE magnetic stirrer is made of PTFE and quality magnetic steel, and the cylindrical shape and smooth surface will reduce friction and improve smooth rotation
  • More other applications: laboratory bar is widely applied in scientific research, universities, laboratories in the industrial and agricultural sectors, and also can be applied to stir mixed substances
  • Widely applicable: stir plate magnet bar will work well with various types of magnetic stirrers or heating stirrers
  • Package includes: comes with PTFE magnetic stir bars in our package, all of them are 30 mm/ 1.18 inch

Additional Details

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This item: PTFE Magnetic Stirrer Mixer Stir Bar, White Color, Stir Rod Magnetic, Laboratory Bar, Stir Plate Bar, Stir Plate Magnet Stick (8 Pieces,30 mm/ 1.18 Inch)
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Product details

  • Product Dimensions ‏ : ‎ 0.31 x 0.31 x 1.18 inches; 2.08 ounces
  • Item model number ‏ : ‎ Weewooday-PTFE Magnetic Stirrer-01
  • Date First Available ‏ : ‎ July 8, 2020
  • Manufacturer ‏ : ‎ Weewooday
  • ASIN ‏ : ‎ B08L3KXRCB
  • Country of Origin ‏ : ‎ China
  • Customer Reviews:
    4.7 4.7 out of 5 stars 1,264 ratings

Product Description

1

The stir bar is magnetic, and its two ends have opposite polarities.

Compact size allows you to put it in most measuring cups.

High lubrication and lowest coefficient of friction in solid material.

Instructions:

Place the magnetic stirrer bar in a beaker, graduated cylinder or other container. Place the container on the platform of the electromagnetic heating stirrer, and then turn on the switch of the electromagnetic heating stirrer. The magnetic stirrer will generate rotational force to drive the substance to rotate quickly. In this way, the substance is completely mixed, and the substance can be concentrated by heating.


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Customer reviews

4.7 out of 5 stars
1,264 global ratings

Customers say

Customers like the quality, mixing ability, and value of the product. They mention it works great, is incredibly reliable, and durable. Some also like the size. However, some customers have mixed opinions on the magnet quality.

AI-generated from the text of customer reviews

17 customers mention "Quality"13 positive4 negative

Customers are satisfied with the quality of the product. They mention it's incredibly reliable and efficient. Some say the encapsulation is still intact after many hours of use.

"...They are a must-have for any laboratory looking for dependable and durable stirring tools. Highly recommended!" Read more

"Good quality." Read more

"great product. I will buy more." Read more

"...The magnets are either not balanced or not strong enough." Read more

17 customers mention "Works great"17 positive0 negative

Customers like the performance of the magnet. They mention it works great for mycology and has no issues during lab testing.

"...I use them in prepping sauces and broths when cooking. These work just fine and with several extra I've got plenty to not have to stop and wash..." Read more

"Works Great and arrived on time." Read more

"...A very good choice for your mycology projects." Read more

"Work great" Read more

12 customers mention "Mixing ability"12 positive0 negative

Customers like the mixing ability of the product. They mention it works well for stirring things utilizing a magnetic plate. The stirring surface helps get everything mixed properly. It works seamlessly with their stir plate, providing consistent and smooth stirring every time. Some say it has a really smooth Teflon coating.

"...They work seamlessly with my stir plate, providing consistent and smooth stirring every time...." Read more

"This bar allows for a larger stirring surface which helps get everything mixed properly." Read more

"Great for stirring powder nutrients" Read more

"They work great in my Mag Stir I haven't had any problems with the strength of the magnet yet. A very good choice for your mycology projects." Read more

8 customers mention "Value for money"8 positive0 negative

Customers appreciate the value of the magnet. They mention it's well-packaged and the seller provides fast shipping.

"quick delivery and great price. my kind of deal." Read more

"These are a good price for stir bars- and they work when you use them on a stir plate." Read more

"...Still, 23/24 are perfect so well worth the money." Read more

"Excellent product; great value for money cost.Great performance during my lab testing." Read more

4 customers mention "Size"4 positive0 negative

Customers are satisfied with the size of the product. They mention it's ideal for most standard lab containers and the correct size works great.

"...easy to spot in different solutions, and their size is ideal for most standard lab containers...." Read more

"Great for mycology, good size for a quart jar of liquid culture." Read more

"...small and dont function like the other 5 i receive of the correct size work great." Read more

"Small. Spinny. Awesome...." Read more

13 customers mention "Magnet quality"9 positive4 negative

Customers have mixed opinions about the magnet quality. Some mention it works fantastic, while others say it's weak and busts open.

"Simply works with my small magnetic mixer!" Read more

"...These are very good quality magnets, my nerdy husband couldn’t stop playing with them." Read more

"...Very disappointed with it. The magnets are either not balanced or not strong enough." Read more

"Extra magnets, come in handy." Read more

4 customers mention "Spin control"0 positive4 negative

Customers are dissatisfied with the spin control of the utility magnet. They mention it bounces around all over the place, rattles, and doesn't spin as they increase speed. Some say 13 don't spin properly and are severely off-balanced.

"...and they do fine at lower end RPMs, but they bounce and shake instead of spinning when increasing speed too quickly or going above 950 RPM...." Read more

"...I have ordered around 80 of these total. Out of those 13 don't spin properly. They are severely off balance. Aside from that they work well...." Read more

"They just spin out of control and bounce around all over the place" Read more

"Not balanced, rattles and does not spin as I increase speed, have to keep on low speed...." Read more

Stir bar for yeast starter
5 out of 5 stars
Stir bar for yeast starter
Works as intended to agitate and stir yeast starters for homebrewing.
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Top reviews from the United States

Reviewed in the United States on September 13, 2024
Item Package Quantity: 8Size: 30 mm/ 1.18 InchVerified Purchase
The media could not be loaded.
I purchased these to go with a new stirrer and some extra glassware. I use them in prepping sauces and broths when cooking. These work just fine and with several extra I've got plenty to not have to stop and wash anything while completing a full meal.
Reviewed in the United States on May 26, 2024
Item Package Quantity: 8Size: 35 mm/ 1.38 InchVerified Purchase
The PTFE Magnetic Stirrer Mixer Stir Bars have been an excellent addition to my laboratory equipment. The set includes eight pieces, each 35 mm (1.38 inches) in length, which is perfect for various stirring needs.

These stir bars are incredibly reliable and efficient. The PTFE coating ensures they are chemically resistant and easy to clean, which is crucial for maintaining the integrity of my experiments. They work seamlessly with my stir plate, providing consistent and smooth stirring every time.

The white color makes them easy to spot in different solutions, and their size is ideal for most standard lab containers. Overall, I am very impressed with the quality and performance of these stir bars. They are a must-have for any laboratory looking for dependable and durable stirring tools. Highly recommended!
One person found this helpful
Report
Reviewed in the United States on August 10, 2024
Item Package Quantity: 16Size: 30 mm/ 1.18 InchVerified Purchase
Simply works with my small magnetic mixer!
Reviewed in the United States on July 7, 2024
Item Package Quantity: 8Size: 30 mm/ 1.18 InchVerified Purchase
Good quality.
Reviewed in the United States on January 3, 2024
Item Package Quantity: 8Size: 30 mm/ 1.18 InchVerified Purchase
Works Great and arrived on time.
Reviewed in the United States on October 2, 2024
Item Package Quantity: 4Size: 35 mm/ 1.38 InchVerified Purchase
This bar allows for a larger stirring surface which helps get everything mixed properly.
Reviewed in the United States on November 17, 2024
Item Package Quantity: 8Size: 30 mm/ 1.18 InchVerified Purchase
Great for stirring powder nutrients
Reviewed in the United States on April 15, 2024
Item Package Quantity: 4Size: 30 mm/ 1.18 InchVerified Purchase
They work great in my Mag Stir I haven't had any problems with the strength of the magnet yet. A very good choice for your mycology projects.
3 people found this helpful
Report

Top reviews from other countries

Translate all reviews to English
Amazon Customer
5.0 out of 5 stars DECENT VALUE
Reviewed in Canada on October 30, 2024
Item Package Quantity: 8Size: 30 mm/ 1.18 InchVerified Purchase
Does the job for magnetic stirring at a decent price. Handles autoclaving temp 250C no prob.
Patricia Landa
5.0 out of 5 stars Buen articulo
Reviewed in Mexico on August 16, 2021
Item Package Quantity: 16Size: 30 mm/ 1.18 InchVerified Purchase
El tamaño es adecuado para agitar, sin ser demasiado grandes o pequeños. Son totalmente lisos
Tim Carter
4.0 out of 5 stars no comment
Reviewed in the United Kingdom on May 10, 2021
Item Package Quantity: 16Size: 30 mm/ 1.18 InchVerified Purchase
The product is used in our main lab