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Posted in Tool Hacks Tagged degassing, epoxy, epoxy casting, resin, vacuum degassing Post navigation Luckily even larger vacuum chambers can be built cheaply at a pinch. This method is great for anything smaller than a paperweight, but if you’ve got something bigger than that, you’ll need to step up your chamber game. All you need to do is pop a hole in the lid of your container, hold the device over the hole, and watch the magic. This might normally be a tall order, but recently found that you can buy small battery-powered gadgets designed for sucking the air out of food containers for as little as $5 USD from the usual import sites. Obviously, the second component is the vacuum pump itself. used a glass jar with a locking lid, which is not only cheap and readily available, but has a decently large internal volume. Remember that the larger the chamber is the more time it will take to pump down to a suitable vacuum, so avoid the temptation to use something larger than necessary. The first one is a airtight container large enough to hold the piece you’re working on.
The best part is that if you want to build your own version, you only need two parts. He shows his homemade chamber off in the video after the break, and we think you’ll agree that the change between before and after is pretty dramatic. The best way to prevent this is to put the parts in a vacuum chamber so all the air works its way out before the epoxy cures, but that’s a considerable investment for a one-off project.īut assuming your parts are small enough, has a great tip that allows you to construct a simple vacuum chamber for just a few dollars.
If you’re trying to get a perfectly clear finish, the last thing you want is a bunch of microscopic bubbles frozen in time. Anyone who’s tried to encapsulate something in epoxy resin knows how much of a hassle air bubbles can be.
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