Step 5Place in vacuum chamber
I gained access to a vacuum chamber because a co-worker who shares our office space had been using one to pull bubbles out of silicone molds he was making. It consists of only a few pieces and is easy to build. Besides the vacuum pump, most of the supplies can be acquired at an industrial plumbing supply store or warehouse.
- two pieces of 1/4" polycarbonate
- two rubber flange gaskets
- 1 12" PVC tube or coupler
- 1 3CFM 1/4 HP vacuum pump
- 2-3' of 1/4" PVC braided tubing
- pressure gauge
- pressure release valve
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