Neoprene Solid Rubber Stoppers, Green, Sizes # 0 to 10

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Laboratory Grade Neoprene Rubber Stoppers. Solid Neoprene Green Rubber Stoppers are suitable for high temperature (up to 275°F / 120°C) and suitable for use with petroleum products , minerals, oils, fats, and organic chemicals. Rubber stoppers are used to seal laboratory vessels such as, Erlenmeyer Flasks, Florence (Boiling) Flasks, and Filtering Flasks, to prevent liquid from escaping. Neoprene Rubber is recommended for use where rubber would be attacked or deteriorated by reagents and solvents being used. Neoprene stoppers demonstrate good resiliency at elevated temperatures and shelf-life compare to regular rubber stoppers. Sulfur free. For a wide variety applications, including: Carboy Stoppers, Crucible Holders, Laboratory & Test Tube Stoppers Material: Neoprene RubberStructure: Solid Specifications Size: 0Top Diameter: 17mm,Bottom Diameter: 13mmFits Flask size: 25ML Specifications Size: 1Top Diameter: 19mm,Bottom Diameter: 14mmFits Flask size: 50ML Specifications Size: 5Top Diameter: 27mm,Bottom Diameter: 23mmFits Flask size: 125ML Specifications Size: 6Top Diameter: 32mm,Bottom Diameter: 26mmFits Flask size: 250ML Specifications Size: 6-1/2Top Diameter: 34m,Bottom Diameter: 27mmFits Flask size: 250ML Specification Size: 7Top Diameter: 37mm,Bottom Diameter: 30mmFits Flask size: 500ML Specifications Size: 8Top Diameter: 41mm,Bottom Diameter: 33mmFits Flask size: 1000ML Filtering Flask Specifications Size: 9Top Diameter: 45mm,Bottom Diameter: 37mmFits Flask size: 1000ML Specifications Size: 10Top Diameter: 49mm,Bottom Diameter: 42mmFits Flask size: 2000ML Show more