Manufactured from borosilicate glass 3.3 with an amber coating
Calibrated to contain and to Class A volumetric tolerances for wide-mouth flasks
UV protection due to external colouration; amber (RAY-SORB®) processed to protect light-sensitive contents from short-length light waves. Less than 1% transmission below 400 nm and approximately 5% transmission from 400-600 nm.
Pipet access is easy with wide-mouth volumetric flasks
Superior strength, durability and safety from heavy, uniform walls
Quick identification with large, permanent, easy-to-read, markings
Flat interior bottoms for stirring with standard stir bars