I know what the literaure says about the short shelf life of
investment (6 mo or so?) but this past summer I was in a pinch
and had some very old ( 3 ~ 4 years) assortments of investments.
Thank you for the advice. I have about 50 wax’s worked up over
the last few years and am wanting to get them cast. I am having
to work out of the kitchen and have limited equipment. So will
give it a go and see what happens. 1 pail has the original air
tight seal so i will work with it first. one more question, as I
don’t have a vaccume machine, does it require a full vac, or will
a partial vac help. I do have a vac packer for foods and a large
jug i can pull a vac on. My guess is that it will probably be
around 15 in. just a guess .
Again thanks. larry