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 24 Pieces PTFE Magnetic Mixer Stirrer Bar, White Color Stainless Steel Laboratory PTFE Stir Plate Bar, Mixing Plate Magnet Stick (30 Mm/ 1.18 Inch)

Product ID: 527087243

Details

Brand
Weewooday
Color
white
Material
Product Dimensions
1.18"L x x
Shape
Cylindrical

🔥Heat & corrosion resistant PTFE

🧲24 high-strength magnetic bars

⚙️Smooth rotation, no deviation

$58.97

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Description

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

UNMATCHED DURABILITY - Crafted from premium PTFE and magnetic steel to resist high temperatures, corrosion, and abrasion—built to last through your toughest lab sessions.
UNIVERSAL COMPATIBILITY - Seamlessly pairs with all standard magnetic stirrers and heating plates across scientific, industrial, and agricultural labs.
TRUSTED BY PROFESSIONALS - Ranked #2 in Lab Stirrers with a 4.7-star rating from over 1,600 users—join the community that demands reliability.
PRECISION MIXING EVERY TIME - Cylindrical, burr-free design ensures stable speed and smooth rotation, eliminating inconsistencies in your experiments.
BULK PACK FOR CONTINUOUS WORKFLOW - 24 pieces per set means you’re always ready—no downtime waiting for replacements or cleaning.

The Weewooday 24-piece PTFE magnetic stirrer bar set features 30mm cylindrical bars made from durable, heat-resistant PTFE and quality magnetic steel. Designed for smooth, stable rotation without deviation, these bars are ideal for scientific research, industrial, and agricultural labs. Compatible with all standard magnetic stirrers and heating plates, this bulk pack ensures uninterrupted workflow and professional-grade mixing performance.

Specifications

ASIN	B0C2C16DFV
Best Sellers Rank	#4,663 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Lab Stirrers
Brand Name	Weewooday
Color	white
Customer Reviews	4.7 4.7 out of 5 stars (1,681)
Item Dimensions L x W x Thickness	1.18"L x 1.18"W x 0.31"Th
Item Thickness	0.31 Inches
Item Weight	0.39 Pounds
Manufacturer	Weewooday
Material Type	Polytetrafluoroethylene
Number of Pieces	24
Part Number	CA-Weewooday-19664
Shape	Cylindrical
Unit Count	24.0 Count

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$58.97

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Excellent communication throughout the order process. Product is perfect.

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