Solid Beer Barrel Bungs & Stoppers

Our solid silicone beer barrel bungs are manufactured in stock U.S./French size (55mm top x 45mm base x 43mm height). For specialized applications, we can provide custom beer barrel stoppers in nearly any size you may need. “Natural” color (translucent white) is standard; solid barrel bungs can also be provided in custom colors and/or with custom printing, as your application requires.

Solid Beer Barrel Stopper Features

• Manufactured from FDA-approved food grade silicone
• Available in stock U.S./French size and in custom sizes
• Natural color is standard, with custom colors available upon request

We also offer solid beer barrel bungs with top grip lip, hollow beer barrel bungs with or without top grip lip, and beer barrel bungs with 3/8” thru-holes.

What is Silicone & Why is It Used for Bungs?

“Silicone” is the general name for a family of polymer materials that includes any synthetic compound that consists of repeating units of siloxane. The most common form of silicone, silicone rubber, can be found in a huge array of applications. Silicone rubber is non-reactive, stable, and resistant to fungal growth. It can also be used harsh environments and extreme temperatures (-75° to 450°F/-60° to 232°C), as it doesn’t become brittle in subzero conditions and maintains its dimensional tolerances at high temps.

Silicone rubber’s beneficial chemical and mechanical properties, and the ease of manufacturing and molding this material, make it perfect for beer barrel bungs. Ace Seal uses specialized, FDA-approved food grade silicone for all our barrel stoppers.