Rubber Stoppers | WidgetCo

All kinds of rubber stoppers.

WidgetCo Rubber Stoppers in durable Silicone, EPDM, Neoprene and natural Pure Gum rubber. Types include Micro, Solid, rubber stoppers with one hole and two hole varieties. Silicone stoppers, Neoprene and Pure Gum available in solid plugs only. EPDM Rubber Stoppers available in solid, 1-hole and 2-hole varieties. Buy online today.

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 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 will last through years and years of use. Ideal for sealing up chemicals in scientific experiments, many of our rubber corks are designed to withstand temperatures all the way to 550F/28C.

Find the right rubber stopper for you. 

EPDM Rubber Stoppers

EPDM Rubber Stoppers

EPDM rubber in solid, 1-hole, 2-holes and micro stopper sizes for temperatures up to 250ºF/120ºC. Black color. Bulk available.
natural pure gum rubber stoppers

Natural Rubber Stoppers

Our favorite eco-friendly rubber. Made of natural gum rubber for temps up to 160ºF/70ºC. Bulk quantities available.
Silicone Stoppers

Silicone Stoppers

Silicone rubber in white suitable for high temperatures up to 550ºF/180ºC. Bulk quantities available.
Neoprene Stoppers

Neoprene Stoppers

Neoprene rubber is oil resistant synthetic rubber for temps up to 250ºF/120ºC. Bulk quantities available.