According to Winkler, graduation in white, with standardized frosting and fluted glass tap, precise fit, with rotation box, individual serial number on the wad and bottle.. Additional batch quality certificates can be generated and printed free of charge at any time via www.hirschmannlab.de.
Features:
Graduation:
Amber graduation is an enameled dye. This enamel in the glass is resistant to most acidic and alkaline liquids
Amber graduation is a dye that adheres to the surface of the glass and becomes impregnated in it. Thus, amber graduation offers higher resistance than blue graduation.
made of borosilicate glass 3.3
according to ISO 4796
high chemical resistance
minimum heat expansion
high resistance to temperature change
autoclavables a 121°C
esterilizables (vapor 134°C)
not suitable for low pressure or vacuum work
with batch labeling (Retrace Code) for tracking
white graduation
with DIN GL 45 thread (except 50 ml: GL 32)
complete with pouring ring and blue polypropylene screw cap (Tmax 140 °C)
printing with enamel dyes, resistant to most acidic and alkaline liquids