Molding sand mixture for the manufacture of molds and cores

Details Molding sand mixture for the manufacture of molds and cores Molding sand mixture for the manufacture of molds and cores

1978-10-25

1980-07-15

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

106 382, 106 383, 10628711, 10628714, 10628716, B28B 734

Patent

active

042126770

ABSTRACT:
A molding sand mixture containing a filler, a binder in the form of a solution of hydrolyzed ethylsilicate and a curing agent; as the latter use is made of an organic solution of a polyorganosilazane of the formula:

REFERENCES:
patent: 4080214 (1978-03-01), Wichelm

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