Proglass 500mL Round Bottom Boiling Flask with Threaded Inlet 24/40 Joint

Description

Heavy Duty Wall
Capacity of 500mL
Made by hand blowing
Made of borosilicate glass G3.3
Description:
Round bottom, HEAVY WALL flask with a standard taper outer joint and a #7  as a side neck for insertion of thermometers or bleed tubes having an O.D. between 4 and 7mm.
Proglass flasks are heavy wall design, made by hand-blowing to ensure uniform wall thickness, and made of high-quality borosilicate glass G3.3 and annealed at 800 degree Celsius, can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling.
We are the brand lab glassware,not the Poor quality glass,We could do any lab glassware accord to your samples or the drawings.if you need any glassware,please contact with us by the Ebay message.