Graduated Test Tube black filled icon
Upright test tube with stopper, graduation marks and rounded bottom
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About the Graduated Test Tube black filled icon
A single tall tube stands upright with a rounded bottom, a flat stopper across the top and a ladder of measurement marks running up the left side. Nothing is poured inside, so it reads as clean glassware waiting for a sample. Fits laboratory websites, chemistry lessons, medical test flows, pharmaceutical packaging and research report slides.
The graduation ticks alternate long and short, adding texture without clutter, while the stopper's width anchors the narrow body. Group it with flask, microscope and pipette icons for a lab set. At small sizes switch to the fill style so the marks do not blur.
This is the solid black filled version of the graduated test tube icon: a bold silhouette that reads clearly at 16-24 px and on dark or busy backgrounds, and prints well in one colour.
It downloads free as an SVG vector or transparent PNG in seven sizes, and the free online editor lets you recolor it, apply gold, silver, neon and gradient styles, add animation, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
