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IndustryArena Forum > MetalWorking > Casting Metals > Backyard lost foam aluminium casting
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  1. #1

    Join Date
    Oct 2019
    Posts
    17

    Backyard lost foam aluminium casting

    Hi guys ,
    some youtube video to share with my last home lost foam casting ( very simple models).
    i would be interested to try it in sand with liquid coating but would need a simple recipe for the coating . if someone can help me it would be very nice.

    part 1: foam models making
    part 2: mold making : https://www.youtube.com/watch?v=MfZdFEzOKDA
    part 3: aluminium casting: https://www.youtube.com/watch?v=AXEEMhkgFvE
    part 4: mold release: https://www.youtube.com/watch?v=JUj1kANFbJ8

  2. #2
    Gold Member
    Join Date
    Apr 2004
    Posts
    5034

    Re: Backyard lost foam aluminium casting

    I've heard of people using a thin layer of wallboard joint compound to coat their foam models prior to casting, but I've never tried it myself. Make sure to let it dry out thoroughly before pouring the hot metal on the foam.
    Andrew Werby
    Website

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