FIELD: building materials, construction industry. SUBSTANCE: plaster material contains vermiculite treated in advance by quick heating to temperature of 800-1000 C. Weight ratio of gypsum, sand, vermiculite and water prior to drying is 2:1:2:2. EFFECT: preparation of plaster material of light weight with high heat- and sound-insulation properties and raised resistance to crack-formation. 1 dwg
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Authors
Dates
2003-04-27—Published
2001-02-07—Filed