Inorganic poundry binder systems and their uses

Details Inorganic poundry binder systems and their uses Inorganic poundry binder systems and their uses

1994-01-07

1995-02-21

Lin, Kuang Y.

Metal founding

Process

Shaping a forming surface

164528, B22C 118

Patent

active

053907272

ABSTRACT:
This invention relates to inorganic no-bake foundry binder systems and their uses. The binder systems comprise as separate Part A and Part B components: (A) an aqueous solution of specified phosphoric acids, and (B) a mixture comprising (1) an iron oxide selected from the group consisting of (a) ferrous oxide, (b) ferroferric oxide, and (c) mixtures thereof and (2) magnesium oxide. The binder systems are used to prepare foundry mixes which are used to prepare foundry molds and cores. The foundry molds and cores are used to cast metals.

REFERENCES:
patent: 3923525 (1975-10-01), Toeniskeotter et al.
patent: 4093647 (1978-06-01), Lyass et al.
patent: 4111705 (1978-09-01), Junovich et al.
patent: 4430441 (1984-02-01), Zhukovsky et al.

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