Rubber Stoppers and Rubber Corks
If you’re looking for a reliable, durable seal for a test tube, bottle or pipe look no further than WidgetCo’s wide selection of rubber corks and stoppers. WidgetCo offers rubber stoppers in a variety of styles and materials including solid black EPDM rubber, silicone, neoprene and pure gum. We also offer rubber stoppers with holes with the option of 1-hole and 2-hole varieties. Rubber stoppers with holes may be required if the product you are sealing requires air circulation.
The key to choosing rubber corks or stoppers is to pick a rubber stopper with the biggest bottom diameter smaller than the diameter of your hole. With about 15 different sizes to choose from, chances are WidgetCo will have a rubber stopper that will fit your container perfectly.
All our rubber stoppers are manufactured from the highest quality rubber that is guaranteed to last through years and years of use. Ideal for sealing up chemicals in scientific environments, many of our rubber corks are designed to withstand temperatures up to 160F/70C all the way to 550F/28C.
WidgetCo also offers a variety of rubber “space balls” which are typically used on the joints of cabinets to float panels. Choose from 4 different sizes.
Order our Rubber Stoppers and Space Balls in bulk with no minimum.
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Our Rubber Stoppers and Space Balls: