Investment material

Details Investment material Investment material

1977-05-23

1978-08-15

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

106 389, 106 68, 106109, B28B 734

Patent

active

041069455

ABSTRACT:
In the manufacture of non-ferrous investment casting molds, a new investment material composed of a gypsum binder and a refractory which is at least in part pyrophyllite.

REFERENCES:
patent: 2102444 (1937-12-01), Van Allen
patent: 3132955 (1964-05-01), Nameishi

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