Magnesia cement composition, process of its manufacture, and com

Details Magnesia cement composition, process of its manufacture, and com Magnesia cement composition, process of its manufacture, and com

1975-05-20

1977-01-18

Poer, J.

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

C04B 904

Patent

active

040037525

ABSTRACT:
A magnesia cement composition comprising active magnesia, magnesium sulfate, and pulp or a mixture of pulp and fibrous glass. When hardened, this composition yields a crack-free low-shrinkage material. Valuable composite boards are obtained by lamination from the hardened composition and core materials such as cellular concrete, plywood, plastic foam, gypsum plaster board, and cemented excelsior board.

REFERENCES:
patent: 2703762 (1955-03-01), Slayter
patent: 2944291 (1960-07-01), Prior et al.

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