Test Tube Drop Circle black outline icon
Test tube with a liquid drop inside and two bubbles above, framed by a circle
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About the Test Tube Drop Circle black outline icon
This design shows a round-bottomed test tube with a wide rim band, a single teardrop of liquid inside and two small bubbles floating above the opening, all framed by a thin circle. It reads as a sample, reaction or lab analysis. Use it for laboratory service pages, chemistry and biology courseware, diagnostic and blood test booking apps, pharma sites and research reports.
The tube sits upright on the vertical axis with the bubbles offset to one side, which keeps the circular badge from looking static. It pairs with flask, microscope and pipette icons in the same framed set. At 24 px the bubbles are the first detail to fade, so check contrast.
This is the black outline version of the test tube drop circle icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
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.
