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IndustryArena Forum > MetalWorking > Casting Metals > re melting zinc problem

Thread: re melting zinc problem

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  1. 07-25-2009, 07:08 PM #1
    SScnc
    SScnc is offline Registered
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    re melting zinc problem

    I need some help,

    I melted an ingot of Zamak 27 yesterday and it did fine, it was liquid as I expected. I turned off the smelter and it hardened overnight, now when I just remelted it, it won't go to liquid state, it's the consistency of brick mortar.

    I checked it at several stages as it was heating up and it never went liquid so I left it until the crucible was red hot and it's the same.

    How do I get it back to liquid for pouring ?

    THANKS !
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  2. 08-03-2009, 05:24 AM #2
    SScnc
    SScnc is offline Registered
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    WOW, 78 views and no one could tell me the zinc boiled off ?

    I never knew any metal would "boil". I have to get a pyrometer set up and closely control the temp.
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