Can these be autoclaved?

I would have to assume so. They’re scientific instruments. Generally, with a few exceptions, there designed to be regularly sterilized. I regularly send mine through a pressure cooker at 15 PSI in liquid cultures

Could these be used with a sensor for an alarm system (Simplisafe)? I have double hung windows so need a slim magnet to put opposite the sensor. Thx

Probably, but I suspect it would be much easier to use one of these that's the size you want: https://www.amazon.com/s?k=neodymium+disc+magnets&crid=3RBE9SKKGYW9W&sprefix=Neodyn%2Caps%2C235&ref=nb_sb_ss_ts-doa-p_5_6

is there any possibilities that these could degrade and leak into the water? any easy way to see it? thanks

There is nothing to leak. Inside is a solid magnet. It's possible that after using them a long time, friction could wear out the plastic coating, but that will probably take years and you'll see it slowly degrading. Just take a quick glance before you use them and if they look like they are in good condition, they are.

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Weewooday 8pcs 30mm/ 1.18" PTFE Magnetic Stirring Wand White Color Stirring Stick Magnetic Experiment Bar Stir Plate Bar Stir Plate Magnet

Weewooday 8pcs 30mm/ 1.18" PTFE Magnetic Stirring Wand White Color Stirring Stick Magnetic Experiment Bar Stir Plate Bar Stir Plate Magnet

Product ID: 725417453

Details

Brand
Weewooday
Color
White
Material
Alloy Steel
Product Dimensions
8L x 8W x 30Th
Shape
Round

🔥High-temp resistant

🧲Strong magnetic force

⚙️Smooth, burr-free finish

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6658 kr

Duties & taxes included

In stock

Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧪 Stir Smarter, Not Harder — Elevate Your Lab Game!

PRECISION MIXING - Cylindrical, smooth surface reduces friction ensuring stable, wobble-free stirring.
VALUE PACKED SET - 8 identical 30mm bars for multi-container experiments or backup — never run out mid-research.
UNMATCHED DURABILITY - PTFE coating resists heat, corrosion & abrasion for long-lasting lab performance.
VERSATILE COMPATIBILITY - Fits all standard magnetic and heated stirrers across industrial, academic & agri labs.
EFFORTLESS CLEAN REUSE - Non-stick PTFE surface makes cleaning a breeze, maintaining lab hygiene and efficiency.

The Weewooday 8-piece set of 30mm PTFE magnetic stirring bars offers professional-grade durability and precision. Crafted from high-quality PTFE and magnetic steel, these white cylindrical stir bars resist high temperatures, corrosion, and abrasion while delivering smooth, stable rotation. Compatible with a wide range of magnetic and heated stirrers, they are ideal for scientific, industrial, agricultural, and academic research. This value pack ensures you’re always ready for seamless mixing and efficient lab workflows.

Specifications

ASIN	B08L3KXRCB
Brand Name	Weewooday
Color	White
Customer Reviews	4.7 4.7 out of 5 stars (723)
Item Dimensions L x W x Thickness	8L x 8W x 30Th mm
Item Thickness	30 Millimeters
Manufacturer	Weewooday
Material Type	Alloy Steel Polytetrafluoroethylene
Model Number	Weewooday-PTFE Magnetic Stirrer-01
Number of Pieces	8
Part Number	Weewooday-PTFE Magnetic Stirrer-01
Shape	Round
Unit Count	8.0 Count

Reviews

A**N

Good product, prompt delivery!

4.10.2023

G**N

No problem

31.01.2025

J**E

These are perfect for mixing things in our lab. They work great with the magnetic stirring plate.

11.02.2026

T**Z

Does the job for magnetic stirring at a decent price. Handles autoclaving temp 250C no prob.

30.10.2024

K**D

حجم المغناطيس اكبر بقليل من الحجم العادي و مع هذا نسبة المغناطيسيه به ضعيفة ولم يكن عملي حيث لايدور بشكل المطلوب في الاناء ويقوم برقص بجنون

19.05.2023

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