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  1. FoundryB

    Gas Problems when casting in ASTM A217 C12A

    We are having problems when casting valves in this material large amounts of gas are forming when the mould is cast. We have raised the aluminum levels to try to aid with de-gasing however this has little effect. Any suggestions ?
  2. FoundryB

    Can someone direct me to a good sou

    Try Eurotek Foundry Products on the following Tel 00441422375550 Fax 00441422375504
  3. FoundryB

    Problems with gas in P91

    We are currently having problwms with large amounts of gas forming in our casting's poured in material P91 (ASTM A217 c12A) We have increased the aluminum content however this has had little effect. All our sand moulds chemically bonded. 1. Are there any other practical ways to de-gas this...
  4. FoundryB

    Problems with gas in Material P91

    We are currently having problems with large amounts of gas forming in casting when using the material P91 (ASTM A217 C12A). We use chemically bonded sand to produce our moulds. We have tried increasing the aluminium content without to much succes. Is there a another way of degassing this material?
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