FIELD: manufacture of building materials. SUBSTANCE: mastic for roofing, waterproofing, and anticorrosion works contains, wt %: bitumen 46-48, filler 16.5-21.5, low-molecular epoxidated polyurethane rubber 1.8-3.2, amine-type hardener, industrial oil 3.3-4.5, and solvent - the balance. EFFECT: increased heat resistance, adhesion to concrete and metals, frost resistance, and reduced water absorption at lower cost.
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Authors
Dates
1999-09-10—Published
1998-05-05—Filed