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  1. BabyStress

    Plaster mold casting of A356

    No i am not sure I can send you a microsope pic of the the part
  2. BabyStress

    Plaster mold casting of A356

    The melting ovnen is quit small i think. (it is my subcontractor) Can there come so much hyrdogen in the heat so the degassing tablets can get the hydrogen out of the heat??? How long is a desired melting and pouring cycle??
  3. BabyStress

    Plaster mold casting of A356

    Hi I have made a casting of A356 in a Plaster mold. We have a lot of Hydrogen voids, 2,5 % voids. We have used degasing tablets. the heat have been meltet more than 8 hours. Do anu one know why we get these voids. is it beacus the mlt is more tahn 8 hours old or is the watre in the Plast mold...

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