FIELD: building materials. SUBSTANCE: raw material has, wt. -% : cement 6-10; slag sand 40-55; waste of mineral-cotton bitumen plates 19-30; technical lignosulfonates 0.05-0.4, and water 15-25. For mixture preparing cement and slag sand are mixed, then technical lignosulfonates and water are added, stirred up to homogeneous mixture formation, and preliminary sieved waste of mineral-cotton bitumen plates are added. Properties of shaped articles: density is 1840-1980 kg/m3, compression strength is 7.8-8.4 MPa, water absorption is 0.1-0.9% , heat conductivity coefficient at 25 C is 0.23-0.27 W/m*degree. Mixture is used for preparing of building heat insulating material. EFFECT: enhanced quality of material. 2 tbl
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