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saett at framstaella i gjuterikaerna eller form av kornformiga och / eller fibroesa material
saett at framstaella i gjuterikaerna eller form av kornformiga och / eller fibroesa material
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机译:萨特(Saatt)在弗拉姆斯塔利亚一世(Framstaella I gjuterikaerna eller)
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摘要
Method of manufacturing a foundry core or mould bound with alkali silicate. A surface-active substance is added at the mixing of the mould material, and the mould or core are heated moderately, i.e. to a temperature of between 110`C and 180`C.
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