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Plastic & Rubber Stoppers

Rubber Stoppers

At the heart of the StockCap line of plastic and rubber stoppers is its tapered plugs. With approximately 50 sizes in stock, there is a stopper to fit every tube or pipe up to about 1-1/4" in diameter. All sizes are available in both EPDM and high temperature resistant silicone to function in a wide variety of applications.

EPDM Rubber Stoppers   Silicone Rubber Stoppers
EPDM Rubber Stoppers   Silicone Rubber Stoppers

Plastic Stoppers

Plastic stoppers offer a cost effective alternative to rubber stoppers for some applications. In particular, our vinyl plus plugs have a lot of the same characteristics as the rubber stoppers in terms of flexibility and the seal that they provide. Our plastic T-Plugs also function great as protectors against dust or particle contamination.

Plus Plugs   T-Plugs
Plus Plugs   T-Plugs

See all plug styles, rubber plugs, and more, in our Plugs section.

To request a sample or pricing on any of our protective pipe caps or plugs, please visit the product page or click below.

Click here for samples

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