Uploaded April 2021 | Updated September 2026, 2 weeks ago

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Learn how to use the Smooth-On 5 Gallon Vacuum Chamber in this tutorial video. 5 gallon vacuum chambers can be purchased from a Smooth-On Distributor: smooth-on.com/distributors/​

Or online here: shop.smooth-on.com/vacuum-chamber

#moldmaking​ #casting​ #silicone​

Vacuum systems (vacuum chamber and vacuum pump that pulls 29 inches of mercury) are used to remove the air from high viscosity materials like silicone rubber before pouring. They are also ideal for vacuum degassing liquid plastics (such as Crystal Clear™ plastic) for making bubble free castings.

This easy to use vacuum chamber is tough aluminum. The lid is made from shatter resistant acrylic and features a rubber gasket that creates a positive, air tight seal for maximum vacuum.

Inside dimension of vacuum chamber; 14" (35.56 cm) diameter opening x 15" (38.1 cm) tall. . .can accommodate up to a 5 gallon pail. Includes hose.

Easy to read gauge let's you know if your vacuum pump is pulling the required 29" of mercury.

Adult Supervision Required
Keep Out Of Reach Of Children
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