Mixture for manufacture of shaped elements and its use

Details Mixture for manufacture of shaped elements and its use Mixture for manufacture of shaped elements and its use

1987-05-26

1989-01-10

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 99, 1061631, 106162, 106204, 264 82, 264333, C04B 702

Patent

active

047971614

ABSTRACT:
The mixture for manufacture of shaped elements of fiber-cement, in addition to minimum 5% by weight of pozzuolanic silicic acid contains also an amount of limestone powder. With this mixture it is possible to obtain a product of high strength properties without tendency to embrittlement respectively to formation of cracks on the surface.
In utilizing the mixture for manufacture of shaped elements the latter are moulded from a mixture of aqueous material and permitted to set at 70.degree. to 90.degree. C. during 5 to 12 hours preferably with simultaneous compression.

REFERENCES:
patent: 2698251 (1954-12-01), Shea et al.
patent: 4501830 (1985-02-01), Miller et al.

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