Test Tube Liquid Cap black outline icon
Outline test tube with stopper cap, measurement marks and liquid at half level
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About the Test Tube Liquid Cap black outline icon
A straight-walled tube with a rounded base is topped by a wide stopper cap, marked with four short graduation lines on its left side and filled to about half with liquid shown by a curved meniscus. It communicates sampling, testing and measurement clearly. Fits laboratory management software, chemistry and biology course material, medical diagnostics pages, pharmaceutical packaging and scientific research slides.
The tall narrow body gives the icon a strong vertical rhythm, with the cap as the heaviest horizontal element and the meniscus curve adding movement at mid-height. It pairs with flask, microscope, pipette and petri dish icons. Keep it at 24 px or more so the graduation ticks do not merge.
This is the black outline version of the test tube liquid cap icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
Download it free as a scalable SVG vector or transparent-background PNG in seven sizes (16 to 512px), copy the SVG code straight into your project, or open it in the free online editor to change colors, apply gold, silver, neon and gradient styles, animate it, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
