Process for the production of steam-hardened gas concrete

Details Process for the production of steam-hardened gas concrete Process for the production of steam-hardened gas concrete

1978-03-07

1980-09-09

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106120, C04B 702

Patent

active

042215986

ABSTRACT:
Disclosed herein is a process for the production of steam hardened gas concrete which comprises producing an unprocessed mixture containing a binder consisting of lime and cement, at least one silicate containing aggregate and at least one calcium sulfate, and processing the mixture to form steam hardened gas concrete. At least a portion of the silicate containing aggregate and the calcium sulfate are mutually ground together during the process. A predetermined quantity of calcium sulfate is employed so that the total sulfate content (expressed as SO.sub.3) of the finished product is between about 2 and about 5% by weight based on the ignition loss-free dry weight.

REFERENCES:
patent: 2803556 (1957-08-01), Carlsson et al.
patent: 2880101 (1959-03-01), Ulfstedt

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