Borosilicate glass body for chemical, thermal expansion, shock and heat resistance. The heavy duty pryrex media round bottles can be used for storage as well as mixing and sampling. Media bottles feature indented gripping zones along the sides of the bottle to allow easier and safer handling, and a new cap design that permits faster opening and closing. 30mm Diameter of the bottle mouth is big enough for easy and dripless pouring, and also easy to clean. Sealed, linerless polypropylene screw cap with a pour ring secures contents to help prevent spills and evaporation.
A**M
Excellent product. Handles high pressure autoclaving perfectly.
These are excellent. Another reviewer claimed they arrived dirty - they arrived in pristine, clean conditions for me.I autoclaved them and they handled the pressure and heat perfectly. The cap is great- when screwed on completely, they have a completely air tight seal. But when loosened, they allow for just enough free air exchange to make them ideal for high PSI autoclaving. I would highly recommend these. I’ve already ordered more.
S**.
There was a ridiculous amount of residue in the bottle
I expected that they wouldn't be sterile however I did not expect that these have been used before. There was a ridiculous amount of residue in the bottle as if it has been used and never cleaned. I am thoroughly disappointed. DO NOT BUY UNDER ANY CIRCUMSTANCE. I would give this negative stars if it was possible. I am ashamed to have not done my research about these bottles.
R**D
Work well for my needs.
I have used these for a whle now for making vape juice. They have worked just fine. I can't speak as to whether or not the seal works well as I don't transport or tip the bottles during normal use.
P**T
Caps ha e to be really tight for it not to leak
Bought to use as small water bottles for kids that could fit in lunch box. I didn't want to keep getting plastic disposable water. The problem is that you have to put the cap on extremely tight for them to not leak when they are on their side. With caps tight enough for them not to leak they kids can't get them unscrewed. Really nice little bottles, but can't use for what I want.
M**Y
Bottle cannot be properly sealed.
I was using this bottle to store HCl. Despite being a new bottle and cap, and closed tightly, this bottle leaked hydrochloric acid fumes.
M**
Five Stars
Great bottles, works perfect for the liquids I put in them.
D**G
Tight lids
Very tight fitting lids. Makes my acids safe for storage.
B**3
Good for the money, not for all uses though.
While it was the cheapest option, I would not recommend this. Get a true Pyrex dish. Immediately after receiving the dish I began some work and the minute I applied heat to it the bottom cracked viscously expanding upon a small scratch-like imperfection present beforehand that I marked up to nothing more than a scratch. Upon further inspection, the second GL45 also has the same scratch, and the glass looks very low-quality.
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