WidgetCo offers an array of silicone stoppers for use in laboratories, high temperature environments, and other industrial applications. Our silicone stoppers are designed to stand up against extreme temperatures as well as prolonged exposure to harsh chemicals. They’re perfect for sealing up test tubes, beakers, and any container that requires a tighter seal. Manufactured from long lasting silicone rubber for it's inert properties and high temperature rating of 550ºF/280ºC. Silicone is not a food grade material. Order today.

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How to choose the right size Rubber Stopper:
As a general rule, choose the stopper with the biggest bottom diameter smaller than the inside opening diameter of your hole, etc.

See Also: Black EPDM Rubber Stoppers | Green Neoprene Stoppers | Pure Gum Stoppers

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