United Scientific FG5340-5000 Borosilicate Glass Heavy Wall Filtering Flask, Bolt Neck with Tubulation, 5000ml Capacity
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Selected User Reviews For United Scientific FG5340-5000 Borosilicate Glass Heavy Wall Filtering Flask, Bolt Neck with Tubulation, 5000ml Capacity
They need to be executed simultaneously along both sides of the bottom wall, Neither do it nor let it happen A Chinese brand comes in at a lower price and is thicker it's cheaper and thicker. The Pyrex 4 liter flask is definitely heavier compared to this one, so if you can afford it you should get it. The original review was as follows I had a portable power supply that lasted for 6 months of continuous use (which is about average), but then I had some really bad We got one that cracked on the bottom weld the first time it was exposed to One crack appeared in the same area after a little usage. I got a replacement that came in a box with no padding and a torn flap, which I returned as it was not worth the risk, and even got a replacement that was the exact same cracked item I sent back! After this, Amazon ordered a new batch of bags and pulled all the remaining ones off the website. In order to get a refund, I chose to return the money. I am aware the glass blower friend says they may have not annealed the batch properly, but these are great at that price.
This has been the case for the last four times. *The first lasted about 6 months, but then a lab assistant managed to crack The first three have been accepted. The weld seam at the bottom cracked at 20 inches mercury vacuum (not at full pressure).
The other 2 are working fine (crossing my fingers).
In my lab, the product imploded under mild vacuum and shot glass shards were scattered everywhere. As I was cleaning up the pieces of glass from up to 15 feet away, I am thankful no one got hurt. I spent the last 2 hours picking up tiny pieces of glass. Its charred remains can be seen in this photo. It felt too light to me. You can't expect anything more from a piece of crap like this. The fact that I had to pick one rather than zero stars prompted me to choose. I STRONGLY RECOMMEND THAT YOU DO NOT BUY THIS. I need you to shred this cheap piece of garbage It is a good idea to sue the seller. I wouldn't let it anywhere near my home, except possibly a flower vase in a box. I wouldn't let it near anything except a flower vase if it were contained in a box.
A flask I ordered from this company in September exploded under vacuum one day. It was a lucky day for no one was hurt. For a period of about 2 months, we were able to successfully filter water with this flask. Padding should be used when packaging these In a box, but not just put in a box Prior to shipping out, these should also be thoroughly checked. A purchase of this kind is not worth the risk.
The #12 rubber stopper was too small for it, so I bought this and the #12 drilled rubber stopper. Due to the inside diameter not being There is a difference of 2", not 25". A 36" waist. To fit the rubber stopper I have, you need to drill it to #13 square. In that case you should purchase a rubber stopper after you get the.
The product has been used for three months. In almost every part of the bottom of the flask, the bottom of the flask fractured after 3 months of filtering cold liquids. However, I notice nowhere on the flask does it state that it is made from borosilicate glass, while it is marked on all of my other flasks.
A very good product.
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