MODEL MATERIAL Russian patent published in 2013 - IPC C04B28/14 C04B111/20 

FIELD: chemistry.

SUBSTANCE: invention relates to composite materials used to make models, as well as in finishing, structural-decoration and sculpturing work, in restoration of architectural and interior objects. The model material contains a composition 1 and a composition 2 prepared in advance and mixed in a ratio ranging from 1:1 to 5:1, wherein composition 1 has the following components, pts.wt: gypsum binder 100; epoxy resin 20-80; ester plasticiser 5-40; silicon dioxide 5-20. Composition 2 has the following components, pts.wt: water 40; polyethylene polyamine (PEPA) 5-40; microspheres 50-150. The microspheres have size of 15-200 mcm and are made from inorganic materials.

EFFECT: producing high-strength material with low specific density and weather resistance.

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