can i use vacuum instead of a pressure pot to cast resins with you at this point everything should be fully connected sealed and good to go depending on your level of concern for your safety before turning it on you may resin casting and mold making part 1 how to make a vacuum chamber you you premium homemade silicone degassing and resin casting pressure pot vacuum and pressure chambers how i created a pressure chamber with a 2 1 2 gallon air pressure paint tank diy pressure pot for resin casting with test casting ways to improve resin casting pressure and vacuum chambers how to make a vacuum chamber foodsaver for under 30 you picture of simple diy vacuum chamber and pump picture of how to make a vacuum chamber picture of final assembly economy vacuum chambers 11 id x 6 or 12 making a simple diy vacuum chamber from a few parts and a pickle jar cube vacuum chambers for immediate shipment in stock see what s going on inside under pressure or vacuum picture of how to make a vacuum chamber diy vacuum chamber from old pressure cooker after mixing the two part silicone i put the mixture in a vacuum chamber to degass it i this degassed silicone is removed from the vacuum chamber ii to degas silicone i am curly using a 1 5 gallon vacuum chamber and a 3 6 cfm 110v 1 4hp single stage vacuum pump ultimate vacuum 0 8pa showing the difference between resins being degassed in a vacuum chamber vs not img 0499 5b1 5d jpg azcsz 00001 clear round acrylic vacuum chamber pressure casting using hapco s molding chamber customized top loading aluminum and clear acrylic chamber with vacuum cycle control when resin casting at 40 psi if the silicone was not degassed to create the mold top any small bubbles present in it will get filled in attached thumbnails stainless steel 55 gallon drum vacuum chamber picture of diy vacuum chamber what could go wrong vacuum chambers vacuum chamber systems refurbished vacuum chambers this ideal vacuum refurbished vacuum chamber was manufactured by envax having model picture of bubble free resin casts with modified paint tank 4 10 cm diameter juiceproof vacuum chambers various lengths available