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๐ฌ Stir Up Innovation with Every Spin!
This set of three 2-inch olive-shaped magnetic stir bars, made from high-quality PTFE, is designed for efficient mixing in various laboratory settings. With a diameter of 17mm, these non-toxic stir bars are chemically inert, resistant to extreme temperatures, and perfect for use with harsh chemicals.
| ASIN | B074FX981N |
| Best Sellers Rank | #54,529 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #6 in Lab Stirrer Bars |
| Brand | BBTCTY |
| Brand Name | BBTCTY |
| Color | 17X50mm,3pcs |
| Customer Reviews | 4.1 out of 5 stars 38 Reviews |
| Manufacturer | BBTC |
| Material | Polytetrafluoroethylene |
| Material Type | Polytetrafluoroethylene |
| Model Number | PTFE -Stir |
| Number of Items | 3 |
| Number of Pieces | 3 |
| Part Number | PTFE -Stir |
| Shape | Olive Shape |
| UPC | 723740419962 |
| Unit Count | 3.0 Count |
S**8
PTFE was never intended for 200ยฐC+ temperatures
Please ignore the 1 star review on this item, every PTFE magnetic stir bar will warp and eventually melt starting at around 200ยฐC, one should use porcelain boiling chips if needing to reach such high temperatures or use a strong vacuum if distilling liquids that boil at very high temperatures. I've lost a number of PTFE stirrers before realizing they cannot take such high temperatures without at least warping.
H**D
Garbage! All demagnetized after first use
These should be sold with the note that they CAN NOT be heated above 100 centigrade without losing their magnetism. Utter garbage sold on Amazon under the guise of being "lab equipment".
T**N
Meh... I guess they'll due
I would have given 5 stars if I'd have actually gotten the 5 bars I ordered not 3 they sent and one was unbalanced immediately 2nd I tried n it worked... for how long doubtful
P**M
Not worth it
Stick to the typical long-pill-shaped cylindrical stirrers. These do not stay put at high RPM.
S**Z
Not for high temperatures โ 200C
These stir bars melted in my boiling flask at a pretty low temp. Very disappointing
Trustpilot
1 day ago
2 weeks ago