FIELD: construction.
SUBSTANCE: present invention relates to a method of coating stucco with diethylene-triamine-pentaacetic acid. A method for preparing a modified beta-stucco from calcined natural rock gypsum that includes preparing a solution of liquid diethylene-triamine-pentaacetic acid in water, applying the solution onto beta-stucco while hot from the calciner, forming a wetted beta-stucco, and allowing the wetted stucco to dry and heal, forming the modified beta-stucco.
EFFECT: technical result: improved strength, reduced water consumption, increased storage life of the product.
11 cl, 2 tbl
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