Additive for green molding sand

Details Additive for green molding sand Additive for green molding sand

1977-08-05

1978-12-26

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

106 383, 106 386, 106 389, 106 68, 106 71, 106238, B28B 734

Patent

active

041314760

ABSTRACT:
Salts of lithium or magnesium and an organic carboxylic acid, especially lithium acetate and/or magnesium acetate, are added to green molding sand to improve the properties of hot green molding sand at 110-160.degree. F (43.3-71.1.degree. C). Magnesium acetate is preferred, especially in green molding sands used for casting steel.

REFERENCES:
patent: 2072212 (1937-03-01), Moosdorf et al.
patent: 3816145 (1974-06-01), Melcher

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