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    « How to make a scroll cast (part 3) | Main | How to make a scroll cast (part 1) »
    Saturday
    Aug272011

    How to make a scroll cast (part 2)

    Half of the scroll is submerged in clay.


    There is white plastic lining around this mold so that the surface will be smooth and the silicone will not stick to the wall.

    Notice a series of pins or holes around the scroll's profile.  These are negative/positive so that it will be easier to align the two parts once the mold is complete.

    Four clamps to keep it all together.

    Make a funnel with a piece of paper and start applying the RTV rubber paying attention not to generate bubbles.

    RTV: Dow Corning Silastic E:

    Dow Corning Customer Service

    (800) 248-2481

    call for local distributor.

    Clay: Permoplast:

    American Art Clay Co., Inc.

    4717 West Sixteenth Street

    Indianapolis, IN 46222

    (317) 244-6871

    Tape: Scotch - Hi-temp masking tape, Inhibitor-Free

    3-M

    St. Paul, MN 55144

    (612) 733-1441

    Mold Release: Epoxy Par film - Ultra

    The Price-Driscoll Corporation

    75 Milbor Boulevard

    Farmingdale, NY 11735

    (516) 249-4200

    Vacuum Pump: Dayton model 4Z577

    Refrigeration vacuum pump

    Grainger, locations nationwide

    (800) 323-0620 

    Urethane: Procast 20 (white, gray, or blue)

    Freeman Man. & Supply Co.

    1246 W. 70th Street

    Cleveland, OH 44102

    (800) 321-8511

     

     

    To be continued.

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