BUILDING COMPOSITION
FIELD: manufacture of building materials. SUBSTANCE: composition is destined to be applied for construction, manufacturing self-sealing gypsum clamps, plasters, masonry mortars, molding mixes, etc. as well as for pasting rolling and ceramic materials. Composition contains (in weight parts): gypsum-c...
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Zusammenfassung: | FIELD: manufacture of building materials. SUBSTANCE: composition is destined to be applied for construction, manufacturing self-sealing gypsum clamps, plasters, masonry mortars, molding mixes, etc. as well as for pasting rolling and ceramic materials. Composition contains (in weight parts): gypsum-containing mineral binder, 100; neutralized or non-neutralized metacrylic acid/acrylonitrile copolymer, 0.4-4.0; water-soluble salt of bi- or trivalent metal or salt mixture, 0.5-6.0; and water, 50-77. Characteristics of manufactured products: bend strength up to 87 kg/sq.cm, compression strength up to 141.5 kg/sq.cm, average density up to 1270 kg/sq.cm, Suttard spread of composition up to 290 mm, and softening coefficient up to 0.8. EFFECT: improved working characteristics of products. 1 tblt |
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