Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...
Patent
1974-09-06
1976-01-20
Douglas, Winston A.
Compositions: coating or plastic
Coating or plastic compositions
Metal-depositing composition or substrate-sensitizing...
C04B 702
Patent
active
039335151
ABSTRACT:
A thermal shock resisting asbestos-cement composition is prepared by adding a finely divided porosity increasing additive as a partial or complete replacement for silica flour in an asbestos-cement composition containing asbestos fibers, portland cement, and silica flour. The composition is shaped and cured to form the final thermal shock resistant product.
REFERENCES:
patent: 1314772 (1919-09-01), Viens
patent: 1355406 (1920-10-01), Mattison
patent: 2496895 (1950-02-01), Staley
patent: 2586726 (1952-02-01), Schuetz et al.
patent: 3449140 (1969-06-01), Yang
patent: 3667977 (1972-06-01), Harbison
Douglas Winston A.
Johns-Manville Corporation
Krone Robert M.
McClain James W.
Sheehan John P.
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