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Stonylab
3 Neck Round Bottom Flask
Crafted from high-quality Borosilicate Glass, it boasts excellent heat resistance and chemical stability. The round-bottom design facilitates even heating, providing users with clear visibility for observation and operation.
izekei
2025-09-03 10:51:07
They work great and good quality.
Bo
2025-07-24 20:05:17
This flask did exactly what I needed it for, and it didn't break under the around 400°c I needed to distill mercury. Furthermore, it did withstand the boiling mercury which I was slightly worried about. All in all, a worth buy and I would recommend it to anyone who needs a 500mL 3 neck.
west
2025-07-02 15:23:46
as expected, typical size for 3 neck. removed one star because stony lab glass doesn't accept joint clips, the joint ring is too wide. every other brand accepts the normal joint clips.
Alan
2025-06-15 20:36:25
This is good quality glass. Just note that it uses a angular interface bulge ground glass joint, not the arc bulge joint that most other companies use, and needs a different keck clamp.
xg
2025-05-25 14:07:23
I like it.
MattYH
2025-05-23 10:28:13
The bottle I received looks strong enough with clear glass. I haven't started using it but will give an update after I use it
Aaron G.
2025-04-20 21:44:07
What waste of beautiful glass. Driver gets the main blame. Prime driver was driving his own car I'm guessing. I'm pretty sure he stopped short, causing the broken flask.Packaging was a litte haphazardly put together. Just not my day.
Peng
2025-04-16 17:52:25
the wall is too thick for us to run our experiments
Frank
2025-03-13 14:34:43
ist etwas teurer,dafuer aber alles ok+gut
Livio
2025-03-05 10:45:34
Ottimo prodotto
Jorge Flores
2025-02-25 18:21:03
Matraz de 3 bocas 24/40 de vidrio de muy buen calidad, muy buen espesor. No los uso con clip para poder corroborar o no lo que dicen otros compradores. Entrega un dÃa antes de la fecha indicada, al vendedor responde todas las preguntas muy amablemente y te da factura, evidentemente es factura extranjera para México pero sirve para mi trámite.
Clementine Boutry
2025-01-30 17:52:12
The item arrived fast and conform to the description
Sebastian puk
2025-01-17 14:27:44
Perfect
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