Round Bottom Flask black outline icon
Outline round-bottom flask icon with a graduated neck and stopper
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About the Round Bottom Flask black outline icon
A round-bottom laboratory flask shows a wide spherical base, a narrow graduated neck marked with measurement ticks, and a stopper capping the opening. It signals chemistry, experiments and scientific research, and suits science education apps, lab-inventory systems, pharmaceutical dashboards, presentation slides and biotech product pages.
The wide sphere balances the slim neck, and the tick marks and stopper add authentic lab detail without clutter. It pairs well with test-tube and microscope icons; because the round base is the widest part, give the icon enough vertical space so it doesn't look cramped.
This is the black outline version of the round bottom flask 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.
