Vacuum Stabilizing vs. Pressure Pot Resin

Re: Vacuum Stabilizing vs. Pressure Pot Resin

Reed Gray

Hmm, not sure. We had a club demo from a stabilizing place up in the Portland area, and they would use a polymer resin with the consistency of gasoline, first dried to about 0% moisture, then into the vacuum chamber, and then into a pressure pot. Casting resins are another thing entirely...

robo hippy

Re: Vacuum Stabilizing vs. Pressure Pot Resin *LINK*

Dick Coers

For stabilizing you have to remove the air inside the wood and replace it with resin. The wood has to be bone dry and it must be put in a HARD vacuum to get full penetration into the center of the blank. Stabilizing resin is heat cured and as thin as water. Casting resin can be many different resins, usually polyester resin or urethane resin. Different pot life, different shrink rate, different hardness. You don't need a pressure pot if you use polyester resin. It has to sit overnight to cure. At least with the amount of hardner used to cast pen blanks. Add too much hardener and the blank will shatter when dropped. http://www.penturners.org for a really great amount of information on casting. Go slow and learn on scrap wood. Casting can be difficult at the start and makes for expensive mistakes if you decide to start with a burl. Some resins foam if the wood is too wet and that makes for scrap. Plus the resins themselves are very expensive.


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