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Your cart is empty.These heavy duty borosilicate glass round bottles can be used for storage as well as mixing and sampling. They include a linerless, one-piece autoclavable blue polypropylene plug seal GL45 threaded cap with a drip-free pouring ring. Max temperature of 140 degrees Celsius (284 degrees Fahrenheit). ALKALINE-EARTH-CONTAINING BOROSILICATE GLASSES (BOROSILICATE GLASS):In addition to about 75% SiO2 and 8–12% B2O3, these glasses contain up to 5% alkaline earths and alumina (Al2O3). This is a subtype of slightly softer glasses, which have thermal expansions in the range (4.0–5.0) × 10−6 K−1.
Chris
Reviewed in the United States on February 9, 2025
Nice quality and very easy to hold if you're making agar for mycology work.
Customer
Reviewed in the United States on February 6, 2025
This is not good glass . Notice the seam on the side means it was made by a mold . Lab grade glass is seamless and can handle a mini fridge!!
Buen producto, de calidad estoy muy satisfecho
Reviewed in Mexico on February 1, 2025
Buena calidad y servicio
Robert M.
Reviewed in the United States on May 24, 2024
Excellent packaging and delivery speed.Price was fantastic.That's how you do it.
Elena HC
Reviewed in Mexico on February 13, 2024
El producto se ve de buena calidad pero viene en un empaque demasiado sencillo y llegó rota una pieza, además el empaque no tiene ninguna indicación de que es un material frágil.
Vladas
Reviewed in the United States on December 11, 2024
Great product.. durable thread on cap. Useful for many things in my kitchen.
Darkstar Ender
Reviewed in the United States on October 19, 2024
Mine broke the first time i attempted to heat liquid inside of it on a Bunsen burner. Followed my normal process as I do with many other flasks but this one did not survive, it broke almost as soon as the flame started heating it up. Maybe I got a flawed one? My other gripe is that the lid is rather HUGE and bulky. I give it three stars because It could have been awesome.
Mcgalliard
Reviewed in the United States on January 14, 2024
These seem to be quite substantial and may be a bit heavier than most. Note that there is a plastic lip on the top of the glass which could be a problem if you need to heat these much.
Jimmijam
Reviewed in the United States on April 10, 2024
I really like the plastic cap n plastic lip on the flask. Creates a tight, leak proof seal. It was a great value in the perfect size for me!
Genaro Diarte Plata
Reviewed in Mexico on September 4, 2023
Buena calidad en el producto, sin embargo, una pieza llegó rota, no trae indicación el paquete que se trata de un producto de cristal.
Jrdn
Reviewed in the United States on May 12, 2023
Thick glass. Not a flat bottom but still allows for use of magnetic stir bars. Anti-drip ring is essential and works well. Fit easily into Insta-pots and pressure cookers. Great product, especially for the price.
Ana Yolotl
Reviewed in Mexico on June 10, 2022
El producto llejó antes de lo esperado y corresponde con la imagen, buen producto
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