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 30 mm/ 1.18 Inch PTFE Magnetic Stirrer Mixer Stir Bar, White Color, Stir Rod Magnetic, Laboratory Bar, Stir Plate Bar, Stir Plate Magnet (16)

Product ID: 555568122

Details

Brand
Weewooday
Colour
White
Material
Product dimensions
30L x 30W x
Shape
Cylindrical

🔥High-temp resistance up to 260°C

🧪Corrosion & abrasion-proof PTFE surface

⚙️Stable rotation with minimal friction

¥6233

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Description

⚡ Stir smarter, not harder — elevate your lab game with Weewooday!

TRUSTED BY PROS - 4.8-star rating from nearly 500 users confirms reliable performance
BULK PACK ADVANTAGE - 16 premium stir bars included to keep your lab running uninterrupted
LAB GRADE DURABILITY - Engineered to withstand intense heat and chemical exposure without degradation
UNIVERSAL COMPATIBILITY - Seamlessly pairs with all standard magnetic stirrers and heating plates
PRECISION SMOOTH ROTATION - Cylindrical PTFE design minimizes friction for flawless stirring every time

The Weewooday 30 mm PTFE Magnetic Stirrer Bar offers exceptional resistance to heat, corrosion, and abrasion, ensuring stable and smooth stirring in scientific and industrial labs. Crafted from high-quality PTFE and magnetic steel, its cylindrical design reduces friction for consistent performance. Compatible with a wide range of magnetic stirrers, this pack of 16 bars is a trusted choice for professionals seeking reliable, long-lasting lab equipment.

Specifications

ASIN	B08P3J9T43
Brand Name	Weewooday
Color	White
Customer Reviews	4.8 4.8 out of 5 stars (491)
Item Dimensions L x W x Thickness	30L x 30W x 30Th millimeters
Item Thickness	30 Millimeters
Item Weight	0.24 Pounds
Manufacturer	Weewooday
Material Type	Polytetrafluoroethylene
Model Number	Weewooday-PTFE Magnetic Stirrer-01
Number of Items	1
Number of Pieces	16
Part Number	Weewooday-PTFE Magnetic Stirrer-01
Shape	Cylindrical
Unit Count	1.0 Count

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¥6233

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

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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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