COLD ROOFING MASTIC Russian patent published in 2000 - IPC

FIELD: chemical industry. SUBSTANCE: mastic comprises bitumen, asbestos, organomineral waste at machine building enterprises. Mastic is product of purification of industrial flows formed during thermomechanical of metallic products organic moiety of which accounts for 54-25% and mineral moiety accounts for 46-75%, ratios of components being as follows, wt.%: bitumen 90/10, 47; asbestos, 8; organomineral waste at machine building enterprises. EFFECT: improved properties of heat and crack resistance, adhesion and improved quality and longer service life of the mastic. 1 tbl