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Thread: Jewelry Milling/Casting Wax?

  1. #1
    Boolit Master
    Join Date
    Jul 2012
    Southern Utah Desert

    Jewelry Milling/Casting Wax?

    A bit of a search here on the site yielded posts that mentioned the wax but no results of experimentation or testing.

    Has anyone tried this? Results?

    One said that the waxes are paraffin based. I believe that points to no workie as a primary wax, limit the stuff to the percentages identified as useful in the Extreme Lube Thread and related fairly recent offshoots.

    I looked as some green stuff that was recovered from the aftermath of CNC milling jewelry pieces for lost-wax casting. At 220F it's thick like honey at room temp, it can leave hair-like strings like hot mozarella from a New York Pizza, and it's hard and suitable for carving. FWIW, it feels a bit different from paraffin, or Gulf Wax at least. Extended family of jelly canners, ya know. Miss that Huckleberry jam for sure.

    Safety Data Sheets are not a lot of help. IIRC, one maker (from TX?) has stuff that sounds like paraffin, another doesn't. Both I've looked up have flash points about 400F and like beeswax no reported or determinable autoignition temperature.

    Thinking of using it instead of 190-degree microwax... And trying to find out who made the stuff that's here. My son was recovering it for one of his side hustles. Barely melts in a crock pot on high.

  2. #2
    Boolit Master
    Join Date
    Jul 2012
    Southern Utah Desert
    Update & Info:
    ID'd the maker and product and it's this: http://machinablewax.com/docs/SDS-Ma..._BLUE_F-14.pdf

    One data sheet for their blue and the one I have, green F14. Guess it's proprietary on where the polyethylene content falls between 25% and 85%. More poly is probably where & how the green is stiffer/harder than the blue. But only 10-20% microwaves Narrows down the poly from the ridiculously broad published range.

    I still might cook up a batch with this. Might have been Geargnasher who was melting milk jugs for polyethylene??? I might be able to repeat that failure without all the melting in tribulations I remember being described.

    Sent from my iPhone using Tapatalk

  3. #3
    Boolit Master woodbutcher's Avatar
    Join Date
    Feb 2008
    LaFollette Tn
    If you are looking for machine able wax,give Grizzly a try.IIRC,they have it in their catalouge.
    Good luck.Have fun.Be safe.
    People never lie so much as after a hunt,during a war,or before an election.
    Otto von Bismarck

  4. #4
    Boolit Master

    Join Date
    Mar 2013
    Northwest Ohio
    One of the plusses to machineable ,casting, or green wax ( a term in industry it mat be several colors) is the elasticity and toughness that allows it to be easily carved or machined into forms for lost wax casting. Another use is in forging dies to test them and a hard brittle wax breaks and falls apart not giving a good image of the die. If your wanting to do lost wax casting then the green waxs are perfered as the carving machining marks can be rubbed out with a little finger pressure. On paraffin and hard waxs the edges tend to chip and deform when doing this,.

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