Non-expansive, rapid setting cement

Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...

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106104, 106109, 106118, C04B 735

Patent

active

044889097

ABSTRACT:
An ettringite-producing hydraulic cement especially adapted to the high speed production of carbon dioxide resistant cement board produces essentially all of its potential ettringite within about 20 minutes after it is mixed with water. The cement is non-expansive and sets within about 25 minutes at a temperature of from about 65.degree. F. to about 150.degree. F.

REFERENCES:
patent: 3775143 (1973-11-01), Mikhailov et al.
patent: 3861929 (1975-01-01), Deets et al.
patent: 3997353 (1976-12-01), Chervenka et al.
patent: 4310358 (1982-01-01), Azuma et al.
patent: 4350533 (1982-09-01), Galer et al.

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