Lurrose Stopper Conical Tapered White 8# 23pcs Rubber to 000# Solid Set Corks, Burrfree Exterior Reusable Stoppers Lab for Flask and Laboratory Equipment for Chemistry Lab Experiments

Package List 23 x stoppers Features -Size(Size 6):2.60X2.40X1.70cm/1.02X0.94X0.67in -Material Quality: Crafted from rubber, these tapered rubber stoppers combine optimal elasticity with durability, allowing repeated use as a laboratory stopper without losing sealing capability -Size(Size 8):2.30X1.80X1.40cm/0.91X0.71X0.55in -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 stopper for flask -Size(Size 7):2.50X2.00X1.50cm/0.98X0.79X0.59in -Material:rubber -Size(Size 9):2.20X1.50X1.10cm/0.87X0.59X0.43in -Size(Size 1):4.20X3.30X3.20cm/1.65X1.30X1.26in -Color:White -Complete Assortment Coverage: This assorted rubber stopper set includes different sizes (0008), making it a perfect science lab stoppers solution for glassware such as test tubes, flasks, and graduated cylinders -Size(Size 3):3.20X2.80X2.50cm/1.26X1.10X0.98in -Product Info:Laboratory rubber stopper -Size(Size 2):3.80X3.00X2.80cm/1.50X1.18X1.10in -Size(Size 4):3.00X2.80X2.20cm/1.18X1.10X0.87in -Size(Size 5):2.80X2.50X2.00cm/1.10X0.98X0.79in -Size(Size 10):2.00X1.50X1.10cm/0.79X0.59X0.43inGoods Informationtest tube rubber plug This set of solid white rubber stoppers features assorted size stoppers, perfectly suited for sealing laboratory glassware like conical flasks, test tubes, and graduated cylinders.lab rubber stoppers The tapered plug for holes ensures a secure fit, providing leakproof closure in science labs, experiments, and bottle storage scenarios

• 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,chemistry lab stoppers,rubber flask 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,solid white stopper,hole plug rubber
• Resistant and reliable: these laboratory stoppers is practical, as their robust rubber composition ensures consistency and stability even in the presence of weak laboratory chemicals,lab equipment stopper,stopper for test tube
• Gentle on glass: every piece in this rubber stopper set is smoothed to prevent chipping or scratching scientific glassware, providing a secure alternative to harder or unfinished stoppers,assorted lab stoppers,rubber cork substitute
• Protective surface finish: each rubber stopper for flask features a refined, nonabrasive surface, preventing accidental damage when sealing glassware and acting as a secure substitute for traditional stoppers,tapered lab bung,white lab plugs