Mould material mixture with flowability of improvement

Mould material mixture with flowability of improvement

  • CN 101,842,175 A
  • Filed: 10/30/2008
  • Published: 09/22/2010
  • Est. Priority Date: 10/30/2007
  • Status: Active Application
First Claim
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1. one kind is used to make the mould material mixture of metal processing with casting mold, comprises at least:

  • -a kind of refractory base moulding material;

    -a kind of binding agent based on waterglass;

    -a certain proportion of microgranular metal oxide, described metal oxide is selected from silica, aluminium oxide, titanium oxide and zinc oxide;

    It is characterized in that, in described mould material mixture, add a certain proportion of at least a surface-active material.

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