PLASTIC MASTIC Russian patent published in 2000 - IPC

FIELD: waterproofing materials. SUBSTANCE: mastic additionally contains organo-mineral mixture which is sludge waste formed in the process of grinding bearing race and which contains 65- 70% of mineral fraction (magnetized metal, abrasive, and precipitated calcium carbonate particles) and 30-35% of organic fraction (complex solar oil-water emulsion stabilized by anionic surfactant). Mastic is finely composed of, wt %: bitumen BND 60/90 - 25, powdered dolomite 35-25, clay 8, organo-mineral mixture 11-24 (calculated for solid materials), and moderated-hardness water (pH <7.5) 21-18. EFFECT: increased adhesion-cohesion strength, deformability, and waterproofness. 1 tbl