Fibre reinforced gypsum hardened body prepn. - by blending fibrous reinforcement, alkali salt and aluminium sulphate with gypsum and slag, moulding and curing
A blended material, which is prepd. by the addn. of 1-30 wt. % fibrous reinforcement, 0.1-5 wt. % alkali salt and 0.1-5 wt. % Al sulphate contg. substance to the principal component consisting of gypsum and slag of wt. ratio 3:7-7:3, is moulded with the addn. of water and cured in natural atmos. or...
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Main Authors | , , , |
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Format | Patent |
Language | English German |
Published |
10.07.1980
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Edition | 3 |
Subjects | |
Online Access | Get full text |
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Summary: | A blended material, which is prepd. by the addn. of 1-30 wt. % fibrous reinforcement, 0.1-5 wt. % alkali salt and 0.1-5 wt. % Al sulphate contg. substance to the principal component consisting of gypsum and slag of wt. ratio 3:7-7:3, is moulded with the addn. of water and cured in natural atmos. or 90 degrees C in humid atmos. Rapid hardening, high strength, waterproof and easily treated gypsum prod. can be prepd. economically from dihydrated gypsum and slag both of which have no self hardening property. |
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Bibliography: | Application Number: DE19792900613 |