Suspension for making molds in disposable pattern casting

Details Suspension for making molds in disposable pattern casting Suspension for making molds in disposable pattern casting

1976-03-18

1978-09-12

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

106 382, 106 383, 10628716, B28B 734

Patent

active

041134990

ABSTRACT:
A suspension for making molds, containing a binder which comprises alkyl silicate, water and hydrochloric acid, a refractory filler which has a grain size mainly of not more than 50 mu, and a surfactant featuring a wetting and plasticizing effect. Moreover, the composition of said suspension incorporates a phosphate.
The weight percentage of said components in the suspension is as follows:

REFERENCES:
patent: 3428465 (1969-02-01), McLeod
patent: 3432312 (1969-03-01), Feagin et al.
patent: 3725090 (1973-04-01), Lyass et al.
patent: 3870529 (1975-03-01), Okumoto et al.

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