We’ve been watching a lot of wood turning videos, and very often the woodworkers use an epoxy resin to fill any gaps. After the epoxy is poured, it is set to cure in a positive pressure chamber to remove any bubbles. How does this work? Wouldn’t adding air increase the chances of getting bubbles?
In: Engineering
Pressurizing epoxy pours makes the bubbles that do form *smaller* so they’re less visible.
Some people will use vacuum to try to eliminate bubbles, but it often ends in a mess.
You aren’t adding more air directly into the resin, but more air pressure to the area the resin is in. By doing this it causes any small bubbles still in the resin to get so small that they can’t even be perceived once the resin fully cures
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