Graduated Test Tube Liquid black filled icon
Outline test tube with graduation marks and a liquid level line, filled to the middle
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About the Graduated Test Tube Liquid black filled icon
A tall round-bottomed test tube stands upright with a thickened lip at the top, four short graduation marks along the upper left edge and a wavy line across the middle marking the liquid surface, leaving the lower half filled. It suits chemistry course materials, laboratory service sites, medical testing and diagnostics apps, pharmaceutical product pages and science infographics.
The narrow vertical body leaves generous white space either side, so the tick marks and the curved fluid line become the only detail and stay easy to read. It pairs with flask, microscope, pipette and beaker icons in the same laboratory set. In dense toolbars, pair it with a label, since a lone slim tube can be mistaken for a thermometer.
This is the solid black filled version of the graduated test tube liquid icon: a bold silhouette that reads clearly at 16-24 px and on dark or busy backgrounds, and prints well in one colour.
Get it free as an SVG vector or transparent PNG (16-512px), copy the SVG code, or restyle it in the free online editor — recolor any part, add gold, neon or gradient effects, animate it, or export EPS, PDF and DXF.
Free for personal and commercial use with attribution.
