Chemistry Roundbottom Flask Stands

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Chemistry Lab Roundbottom Flasks are held securely by Ring Bases. Similar to Cork Rings, these bases accommodate each size of Round Bottom Flask: 25 mL, 50 mL, 100 mL, 250 mL, and 500 mL. When using any round-bottom holder, remember that the flask can easily tip over due to its spherical shape. To minimize this risk, I recommend coating each base with a layer of rubber cement (such as Elmer's). This added friction reduces slipping and tipping significantly. You may use alternative coatings if preferred. Caution: Never place hot glassware on PLA or other plastic filament, as it can melt or ignite a fire.