23pcs White Rubber Stoppers Set for Graduated Cylinders and Glass Beakers, Tapered Solid Conical Design with Burrfree Exterior, Reusable Lab Bung Plugs for Chemistry Lab

Package List23 x stoppersCharacteristics-Color:White-Material:rubber-Product Info:Laboratory rubber stopper-Size(Size 4):3.00X2.80X2.20cm/1.18X1.10X0.87in-Size(Size 2):3.80X3.00X2.80cm/1.50X1.18X1.10in-Size(Size 7):2.50X2.00X1.50cm/0.98X0.79X0.59in-Size(Size 5):2.80X2.50X2.00cm/1.10X0.98X0.79in-Size(Size 6):2.60X2.40X1.70cm/1.02X0.94X0.67in-Size(Size 1):4.20X3.30X3.20cm/1.65X1.30X1.26in-Size(Size 3):3.20X2.80X2.50cm/1.26X1.10X0.98in-Size(Size 8):2.30X1.80X1.40cm/0.91X0.71X0.55in-Size(Size 9):2.20X1.50X1.10cm/0.87X0.59X0.43in-Size(Size 10):2.00X1.50X1.10cm/0.79X0.59X0.43in-Scratch Free Protection: The surface of each flask stopper is finely polished, providing a secure plug for glassware to minimize risk of breaks and preserve your valuable lab equipment over time test tube stopper-Leakage and Evaporation Control: Each solid white stopper ensures maximum tightness for flask rubber plug applications, containing volatile or sensitive liquids during storage and experimentation assorted size stoppers-Extensive Stopper Variety: 23 round rubber stoppers cover different sizes, so every set includes the perfect rubber stopper for bottle, test tube, flask, or graduated cylinder found in teaching labs or research settingsGoods Descriptionrubber stopper for bottle These reliable stoppers keep your solutions secure, fit most glassware, and reduce breakage risks, supporting all lab work needs. solid rubber stoppers Sealing rubber stopper kit, featuring conical rubber stopper varieties, make sure solid lab stopper performance whether used as rubber plug assortment for bottle, test tube rubber plug, or rubber bung for flask

• Sealing performance: each rubber cork substitute features a solid white stopper design that ensures liquids and reagents stay secure, preventing evaporation or leakage during laboratory experiments,test tube stopper,lab rubber stoppers
• Safe for basic chemistry: designed to withstand mild acids and alkalis, these rubber stoppers maintain their integrity under typical laboratory conditions, making them ideal as scientific stopper set components,sealing rubber stopper,solid lab stopper
• Airtightness: these solid rubber stoppers make sure a secure and reliable seal, acting as hole plug rubber for various lab glassware and preventing unintended exposure of samples,tapered lab bung,rubber cork substitute
• Withstands lab chemicals: conical rubber stopper resists weak acids and bases, retaining structure while sealing, making it an excellent chemistry lab stoppers option for versatile laboratory tasks,tapered sealing plugs,stopper for test tube
• Leakage and evaporation control: each solid white stopper ensures maximum tightness for flask rubber plug applications, containing volatile or sensitive liquids during storage and experimentation,assorted size stoppers,rubber bung for flask