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Persona de contacto Ms. Nancy
Binzhou Development Zone, Zibo, Shandong
1. Water soluble salt cores manufactured by compacting a mixture of water soluble salts and binder under pressure and by subsequently subjecting said compacted mixture to a thermal treatment, characterized in that the binder is an inorganic phosphate or a mixture of inorganic phosphates with a fraction of between 0.5 and *0 wt. % of said mixture.
2. The water soluble salt cores as set forth in claim 1, characterized in that the binder contains a fraction of an inorganic borate.
3. The water soluble cores as set forth in claim 1 characterized in that the mixture contains a fraction of between >0 and *0 wt. % of a parting agent.
4. The water soluble salt cores as set forth in claim 1, characterized in that the inorganic phosphate is a mono aluminum phosphate.
5. The water soluble salt cores as set forth in claim 1, characterized in that the inorganic phosphate is a boron phosphate.
6. The water soluble salt cores as set forth in claim 1, characterized in that the inorganic phosphate is a sodium orthophosphate.
7. The water soluble salt cores as set forth in claim 1 characterized in that thermal treatment occurs at temperatures of less than **0° C.
