FIELD: paint and varnish materials. SUBSTANCE: mastic has the following components, wt. -% : bitumen 25-30; asbestos with volume mass 370-450 g/l 20-34; asbestos with volume mass 310-330 g/l 6-12; transformer oil 2-8; waste in pine galipot processing to camphora and pine oil with α-pinene content 3-10% 10-15, and organic solvent - the rest. Composition can contain additionally 0.5-2.0 wt.-% terpene hydroxypolymers. EFFECT: enhanced quality of mastic. 2 cl, 2 tbl
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